Make sure we do not get "//" in the QMake path
Make sure we do not get "//" in the QMake path

Task-number: QTCREATORBUG-2990

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