QmakePM: Fix case-only rename on Windows
QmakePM: Fix case-only rename on Windows

ProjectExplorer::compareSortedLists detects added and removed files
by comparing the "old" and "new" lists using the provided sorter.

If the sorter ignores case, then the file is neither added nor removed.

Task-number: QTCREATORBUG-13981
Change-Id: If91c18cfa58bd8f00acfc453779750248bb77c01
Reviewed-by: Daniel Teske <d8a411aec9a206efedb4d45b75fe8d13f1e2b628@theqtcompany.com>

martyone/sailfish-qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator,danimo/qt-creator,danimo/qt-creator,kuba1/qtcreator,xianian/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,xianian/qt-creator,xianian/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,xianian/qt-creator,xianian/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,danimo/qt-creator,kuba1/qtcreator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator,danimo/qt-creator,xianian/qt-creator,kuba1/qtcreator