QtSupport: Add missing Q_OBJECT macro
QtSupport: Add missing Q_OBJECT macro

Without it this QObject is not accessible from Javascript
as it needs to be.

Change-Id: I6ffdb677cc3c986f0f95bded60f6f097b2c4f3cd
Reviewed-by: Daniel Teske <d8a411aec9a206efedb4d45b75fe8d13f1e2b628@digia.com>

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