C++ quickfixes: Improve function change tracking.
C++ quickfixes: Improve function change tracking.

Now the (new or changed) return type is also tracked if the user starts
to type it as a prefix of the function name (followed by some white
space).

Done-by: Erik Verbruggen <5edfe905d082749f2ac3f4e6b42937f39f083771@digia.com>
Change-Id: I902132d5dd8fedcf430c43e9780428825f8ccada
Reviewed-by: Erik Verbruggen <5edfe905d082749f2ac3f4e6b42937f39f083771@digia.com>

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