WinRt: simplify project file path retrieval
WinRt: simplify project file path retrieval

Change-Id: If2542b0c22728ae2567e4d42de3a7f7d6830c350
Reviewed-by: Oliver Wolff <bfa2c373f7b4cae624ec1928f54bc38b8cd9f442@digia.com>

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