ProjectNodes: Fix line() method
ProjectNodes: Fix line() method

Actually return the value of the m_line member varibale instead of -1.

Change-Id: I23ee47638e9b35cafcedca827790b4c2e0a02462
Reviewed-by: Daniel Teske <d8a411aec9a206efedb4d45b75fe8d13f1e2b628@digia.com>

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