Qt5: Fix checking for private headers
Qt5: Fix checking for private headers

Change-Id: I66ea39bb4ced671f3ccd6f926fa43e629e2c1251
Reviewed-by: Oswald Buddenhagen <6a8868beda3e139b5ac22b2534a23d3e6ba81819@digia.com>

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