MSVC: Normalize file path for warnings
MSVC: Normalize file path for warnings

MSVC uses lowercase file names for some warnings (e.g. C4715)

Change-Id: If149c4c8e3bf9aa79624d9bc5fd5af22289f2929
Reviewed-by: Tobias Hunger <012f8d714267bccc9d4766fbeace9f175fcc70c4@digia.com>

Distrotech/qtcreator,amyvmiwei/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,kuba1/qtcreator,kuba1/qtcreator,xianian/qt-creator,colede/qtcreator,richardmg/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,farseerri/git_code,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,farseerri/git_code,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,danimo/qt-creator,maui-packages/qt-creator,duythanhphan/qt-creator,richardmg/qtcreator,martyone/sailfish-qtcreator,malikcjm/qtcreator,kuba1/qtcreator,danimo/qt-creator,duythanhphan/qt-creator,kuba1/qtcreator,duythanhphan/qt-creator,duythanhphan/qt-creator,omniacreator/qtcreator,richardmg/qtcreator,farseerri/git_code,xianian/qt-creator,darksylinc/qt-creator,kuba1/qtcreator,richardmg/qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,darksylinc/qt-creator,darksylinc/qt-creator,darksylinc/qt-creator,xianian/qt-creator,colede/qtcreator,danimo/qt-creator,darksylinc/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,maui-packages/qt-creator,Distrotech/qtcreator,richardmg/qtcreator,xianian/qt-creator,colede/qtcreator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,duythanhphan/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,maui-packages/qt-creator,danimo/qt-creator,malikcjm/qtcreator,malikcjm/qtcreator,omniacreator/qtcreator,farseerri/git_code,farseerri/git_code,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,AltarBeastiful/qt-creator,darksylinc/qt-creator,xianian/qt-creator,duythanhphan/qt-creator,omniacreator/qtcreator,malikcjm/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,danimo/qt-creator,Distrotech/qtcreator,maui-packages/qt-creator,colede/qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,malikcjm/qtcreator,danimo/qt-creator,colede/qtcreator,malikcjm/qtcreator,omniacreator/qtcreator,xianian/qt-creator,danimo/qt-creator,omniacreator/qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,darksylinc/qt-creator,farseerri/git_code,maui-packages/qt-creator,malikcjm/qtcreator,amyvmiwei/qt-creator,omniacreator/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,richardmg/qtcreator,kuba1/qtcreator,danimo/qt-creator,colede/qtcreator,martyone/sailfish-qtcreator,duythanhphan/qt-creator,colede/qtcreator,Distrotech/qtcreator