QmlProfiler: Fix MSVC warning about character encoding
QmlProfiler: Fix MSVC warning about character encoding

MSVC on some system might complain

"C4566: character represented by universal-character-name '\u03BCs'
cannot be represented in the current code page".

Fix this by forcing the string to be wchar_t based.

KDAB/KDAB-Creator,kuba1/qtcreator,omniacreator/qtcreator,AltarBeastiful/qt-creator,darksylinc/qt-creator,darksylinc/qt-creator,martyone/sailfish-qtcreator,malikcjm/qtcreator,duythanhphan/qt-creator,amyvmiwei/qt-creator,dmik/qt-creator-os2,bakaiadam/collaborative_qt_creator,pcacjr/qt-creator,colede/qtcreator,duythanhphan/qt-creator,omniacreator/qtcreator,colede/qtcreator,maui-packages/qt-creator,colede/qtcreator,renatofilho/QtCreator,KDAB/KDAB-Creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,malikcjm/qtcreator,maui-packages/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,darksylinc/qt-creator,KDE/android-qt-creator,darksylinc/qt-creator,bakaiadam/collaborative_qt_creator,hdweiss/qt-creator-visualizer,renatofilho/QtCreator,bakaiadam/collaborative_qt_creator,Distrotech/qtcreator,KDE/android-qt-creator,dmik/qt-creator-os2,pcacjr/qt-creator,syntheticpp/qt-creator,richardmg/qtcreator,KDAB/KDAB-Creator,farseerri/git_code,farseerri/git_code,duythanhphan/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,darksylinc/qt-creator,kuba1/qtcreator,syntheticpp/qt-creator,dmik/qt-creator-os2,xianian/qt-creator,malikcjm/qtcreator,pcacjr/qt-creator,AltarBeastiful/qt-creator,duythanhphan/qt-creator,danimo/qt-creator,jonnor/qt-creator,amyvmiwei/qt-creator,maui-packages/qt-creator,richardmg/qtcreator,KDAB/KDAB-Creator,xianian/qt-creator,hdweiss/qt-creator-visualizer,martyone/sailfish-qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,omniacreator/qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,ostash/qt-creator-i18n-uk,danimo/qt-creator,KDE/android-qt-creator,farseerri/git_code,jonnor/qt-creator,farseerri/git_code,azat/qtcreator,pcacjr/qt-creator,ostash/qt-creator-i18n-uk,omniacreator/qtcreator,renatofilho/QtCreator,KDE/android-qt-creator,farseerri/git_code,darksylinc/qt-creator,ostash/qt-creator-i18n-uk,KDE/android-qt-creator,duythanhphan/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,xianian/qt-creator,kuba1/qtcreator,azat/qtcreator,syntheticpp/qt-creator,syntheticpp/qt-creator,colede/qtcreator,renatofilho/QtCreator,kuba1/qtcreator,AltarBeastiful/qt-creator,pcacjr/qt-creator,richardmg/qtcreator,richardmg/qtcreator,Distrotech/qtcreator,KDAB/KDAB-Creator,KDAB/KDAB-Creator,danimo/qt-creator,farseerri/git_code,ostash/qt-creator-i18n-uk,kuba1/qtcreator,azat/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,hdweiss/qt-creator-visualizer,dmik/qt-creator-os2,amyvmiwei/qt-creator,bakaiadam/collaborative_qt_creator,jonnor/qt-creator,dmik/qt-creator-os2,richardmg/qtcreator,xianian/qt-creator,duythanhphan/qt-creator,darksylinc/qt-creator,ostash/qt-creator-i18n-uk,duythanhphan/qt-creator,kuba1/qtcreator,bakaiadam/collaborative_qt_creator,hdweiss/qt-creator-visualizer,amyvmiwei/qt-creator,danimo/qt-creator,ostash/qt-creator-i18n-uk,hdweiss/qt-creator-visualizer,Distrotech/qtcreator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,pcacjr/qt-creator,maui-packages/qt-creator,hdweiss/qt-creator-visualizer,ostash/qt-creator-i18n-uk,martyone/sailfish-qtcreator,danimo/qt-creator,jonnor/qt-creator,jonnor/qt-creator,danimo/qt-creator,KDE/android-qt-creator,danimo/qt-creator,malikcjm/qtcreator,KDE/android-qt-creator,xianian/qt-creator,colede/qtcreator,danimo/qt-creator,syntheticpp/qt-creator,azat/qtcreator,pcacjr/qt-creator,dmik/qt-creator-os2,danimo/qt-creator,azat/qtcreator,Distrotech/qtcreator,richardmg/qtcreator,AltarBeastiful/qt-creator,bakaiadam/collaborative_qt_creator,farseerri/git_code,xianian/qt-creator,xianian/qt-creator,maui-packages/qt-creator,renatofilho/QtCreator,omniacreator/qtcreator,AltarBeastiful/qt-creator,malikcjm/qtcreator,malikcjm/qtcreator,kuba1/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,jonnor/qt-creator,xianian/qt-creator,bakaiadam/collaborative_qt_creator,omniacreator/qtcreator,renatofilho/QtCreator,colede/qtcreator,syntheticpp/qt-creator,malikcjm/qtcreator,kuba1/qtcreator,darksylinc/qt-creator,martyone/sailfish-qtcreator,dmik/qt-creator-os2,KDE/android-qt-creator,omniacreator/qtcreator,maui-packages/qt-creator,syntheticpp/qt-creator,xianian/qt-creator,azat/qtcreator,richardmg/qtcreator