Changes

Some minor cleaning up (#1910).
Not only that, but it prevents some compilation errors on Windows using 
Qt 5.12.0 LTS:
[4/19] Performing update step for 'developerDocumentationBuild' Current
branch master is up to date.
[5/19] Performing update step for 'userDocumentationBuild' Current
branch master is up to date.
[6/19] Building CXX object 
src\plugins\miscellaneous\Compiler\CMakeFiles\Compiler_tests.dir\tests\t 
ests.cpp.obj FAILED: 
src/plugins/miscellaneous/Compiler/CMakeFiles/Compiler_tests.dir/tests/t 
ests.cpp.obj D:/Programming/OpenCOR/build/clcachewrapper 
C:\PROGRA~2\MICROS~2.0\VC\bin\amd64\cl.exe  /nologo /TP
@src\plugins\miscellaneous\Compiler\CMakeFiles\Compiler_tests.dir\tests\ 
tests.cpp.obj.rsp /showIncludes
/Fosrc\plugins\miscellaneous\Compiler\CMakeFiles\Compiler_tests.dir\test 
s\tests.cpp.obj
/Fdsrc\plugins\miscellaneous\Compiler\CMakeFiles\Compiler_tests.dir\
/FS -c ..\src\plugins\miscellaneous\Compiler\tests\tests.cpp C:\Program
Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\bitset(101): error
C2666: 'operator /': 11 overloads have similar conversions 
C:\Qt\5.12.0\msvc2015_64\include\QtGui/qvector4d.h(281): note: could be
'const QVector4D operator /(const QVector4D &,const QVector4D &)' 
C:\Qt\5.12.0\msvc2015_64\include\QtGui/qvector4d.h(276): note: or
'const QVector4D operator /(const QVector4D &,float)' 
C:\Qt\5.12.0\msvc2015_64\include\QtGui/qvector3d.h(281): note: or
'const QVector3D operator /(const QVector3D &,const QVector3D &)' 
C:\Qt\5.12.0\msvc2015_64\include\QtGui/qvector3d.h(276): note: or
'const QVector3D operator /(const QVector3D &,float)' 
C:\Qt\5.12.0\msvc2015_64\include\QtGui/qvector2d.h(256): note: or
'const QVector2D operator /(const QVector2D &,const QVector2D &)' 
C:\Qt\5.12.0\msvc2015_64\include\QtGui/qvector2d.h(251): note: or
'const QVector2D operator /(const QVector2D &,float)' 
C:\Qt\5.12.0\msvc2015_64\include\QtGui/qtransform.h(402): note: or
'QTransform operator /(const QTransform &,qreal)' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qsize.h(364): note: or
'const QSizeF operator /(const QSizeF &,qreal)' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qsize.h(194): note: or
'const QSize operator /(const QSize &,qreal)' 
c:\qt\5.12.0\msvc2015_64\include\qtcore\qmargins.h(427): note: or
'QMarginsF operator /(const QMarginsF &,qreal)' 
c:\qt\5.12.0\msvc2015_64\include\qtcore\qmargins.h(213): note: or
'QMargins operator /(const QMargins &,qreal)' 
c:\qt\5.12.0\msvc2015_64\include\qtcore\qmargins.h(207): note: or
'QMargins operator /(const QMargins &,int)' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(205): note: or
'double operator /(int,qfloat16) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(205): note: or
'double operator /(qfloat16,int) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(195): note: or
'float operator /(float,qfloat16) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(195): note: or
'float operator /(qfloat16,float) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(194): note: or
'double operator /(double,qfloat16) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(194): note: or
'double operator /(qfloat16,double) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(193): note: or
'long double operator /(long double,qfloat16) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(193): note: or
'long double operator /(qfloat16,long double) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qfloat16.h(176): note: or
'qfloat16 operator /(qfloat16,qfloat16) noexcept' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qpoint.h(402): note: or
'const QPointF operator /(const QPointF &,qreal)' 
C:\Qt\5.12.0\msvc2015_64\include\QtCore/qpoint.h(206): note: or
'const QPoint operator /(const QPoint &,qreal)' C:\Program Files
(x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\bitset(101): note: while
trying to match the argument list '(std::size_t, )' C:\Program Files
(x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\bitset(100): note: while
compiling class template member function 'bool
std::bitset<59>::_Subscript(std::size_t) const' C:\Program Files
(x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\bitset(108): note: see
reference to function template instantiation 'bool
std::bitset<59>::_Subscript(std::size_t) const' being compiled
..\src\plugins\thirdParty\LLVMClang\ext\release\include\llvm/IR/Attribut 
es.h(683): note: see reference to class template instantiation
'std::bitset<59>' being compiled
[7/19] Performing configure step for 'developerDocumentationBuild'
-- Configuring done
-- Generating done
-- Build files have been written to: 
D:/Programming/OpenCOR/build/ext/Build/developerDocumentationBuild
[8/19] Performing configure step for 'userDocumentationBuild'
-- Configuring done
-- Generating done
-- Build files have been written to: 
D:/Programming/OpenCOR/build/ext/Build/userDocumentationBuild ninja:
build stopped: subcommand failed.
D:\Programming\OpenCOR\build>