replace platform conditional with QMAKE_DIRLIST_SEP
replace platform conditional with QMAKE_DIRLIST_SEP

Change-Id: I2646a2c30573417ba9da4b57b100d33144cef349
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@digia.com>

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