Initialize m_engine to zero. Reviewed-by: hjk <qtc-committer@nokia.com>
Initialize m_engine to zero.
Reviewed-by: hjk <a5b10b69f8138684917b6497d164c14d2a2aa981@nokia.com>

danimo/qt-creator,AltarBeastiful/qt-creator,hdweiss/qt-creator-visualizer,AltarBeastiful/qt-creator,KDE/android-qt-creator,omniacreator/qtcreator,Distrotech/qtcreator,amyvmiwei/qt-creator,enricoros/k-qt-creator-inspector,farseerri/git_code,martyone/sailfish-qtcreator,KDAB/KDAB-Creator,richardmg/qtcreator,syntheticpp/qt-creator,enricoros/k-qt-creator-inspector,maui-packages/qt-creator,azat/qtcreator,bakaiadam/collaborative_qt_creator,dmik/qt-creator-os2,Distrotech/qtcreator,KDAB/KDAB-Creator,dmik/qt-creator-os2,hdweiss/qt-creator-visualizer,maui-packages/qt-creator,pcacjr/qt-creator,syntheticpp/qt-creator,jonnor/qt-creator,enricoros/k-qt-creator-inspector,dmik/qt-creator-os2,Distrotech/qtcreator,KDE/android-qt-creator,yinyunqiao/qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,renatofilho/QtCreator,martyone/sailfish-qtcreator,richardmg/qtcreator,ostash/qt-creator-i18n-uk,pcacjr/qt-creator,amyvmiwei/qt-creator,bakaiadam/collaborative_qt_creator,ostash/qt-creator-i18n-uk,ostash/qt-creator-i18n-uk,malikcjm/qtcreator,duythanhphan/qt-creator,sandsmark/qtcreator-minimap,martyone/sailfish-qtcreator,sandsmark/qtcreator-minimap,KDE/android-qt-creator,kuba1/qtcreator,KDE/android-qt-creator,bakaiadam/collaborative_qt_creator,danimo/qt-creator,azat/qtcreator,KDAB/KDAB-Creator,Distrotech/qtcreator,enricoros/k-qt-creator-inspector,Distrotech/qtcreator,pcacjr/qt-creator,sandsmark/qtcreator-minimap,farseerri/git_code,bakaiadam/collaborative_qt_creator,yinyunqiao/qtcreator,hdweiss/qt-creator-visualizer,enricoros/k-qt-creator-inspector,farseerri/git_code,malikcjm/qtcreator,pcacjr/qt-creator,darksylinc/qt-creator,pcacjr/qt-creator,amyvmiwei/qt-creator,KDE/android-qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,ostash/qt-creator-i18n-uk,danimo/qt-creator,dmik/qt-creator-os2,danimo/qt-creator,bakaiadam/collaborative_qt_creator,farseerri/git_code,maui-packages/qt-creator,dmik/qt-creator-os2,malikcjm/qtcreator,KDE/android-qt-creator,hdweiss/qt-creator-visualizer,colede/qtcreator,azat/qtcreator,richardmg/qtcreator,farseerri/git_code,xianian/qt-creator,malikcjm/qtcreator,dmik/qt-creator-os2,AltarBeastiful/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,pcacjr/qt-creator,colede/qtcreator,ostash/qt-creator-i18n-uk,darksylinc/qt-creator,danimo/qt-creator,jonnor/qt-creator,renatofilho/QtCreator,bakaiadam/collaborative_qt_creator,darksylinc/qt-creator,yinyunqiao/qtcreator,darksylinc/qt-creator,yinyunqiao/qtcreator,kuba1/qtcreator,omniacreator/qtcreator,malikcjm/qtcreator,danimo/qt-creator,colede/qtcreator,Distrotech/qtcreator,duythanhphan/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,malikcjm/qtcreator,KDAB/KDAB-Creator,martyone/sailfish-qtcreator,enricoros/k-qt-creator-inspector,kuba1/qtcreator,amyvmiwei/qt-creator,colede/qtcreator,omniacreator/qtcreator,richardmg/qtcreator,syntheticpp/qt-creator,kuba1/qtcreator,ostash/qt-creator-i18n-uk,duythanhphan/qt-creator,omniacreator/qtcreator,malikcjm/qtcreator,duythanhphan/qt-creator,syntheticpp/qt-creator,pcacjr/qt-creator,colede/qtcreator,syntheticpp/qt-creator,azat/qtcreator,AltarBeastiful/qt-creator,jonnor/qt-creator,sandsmark/qtcreator-minimap,jonnor/qt-creator,maui-packages/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,kuba1/qtcreator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,farseerri/git_code,yinyunqiao/qtcreator,KDAB/KDAB-Creator,xianian/qt-creator,bakaiadam/collaborative_qt_creator,farseerri/git_code,darksylinc/qt-creator,xianian/qt-creator,ostash/qt-creator-i18n-uk,AltarBeastiful/qt-creator,yinyunqiao/qtcreator,AltarBeastiful/qt-creator,renatofilho/QtCreator,syntheticpp/qt-creator,KDE/android-qt-creator,danimo/qt-creator,omniacreator/qtcreator,danimo/qt-creator,xianian/qt-creator,duythanhphan/qt-creator,sandsmark/qtcreator-minimap,xianian/qt-creator,colede/qtcreator,enricoros/k-qt-creator-inspector,kuba1/qtcreator,darksylinc/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,azat/qtcreator,dmik/qt-creator-os2,xianian/qt-creator,Distrotech/qtcreator,jonnor/qt-creator,sandsmark/qtcreator-minimap,farseerri/git_code,renatofilho/QtCreator,amyvmiwei/qt-creator,yinyunqiao/qtcreator,omniacreator/qtcreator,danimo/qt-creator,hdweiss/qt-creator-visualizer,KDAB/KDAB-Creator,omniacreator/qtcreator,darksylinc/qt-creator,xianian/qt-creator,duythanhphan/qt-creator,hdweiss/qt-creator-visualizer,AltarBeastiful/qt-creator,syntheticpp/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,renatofilho/QtCreator,KDE/android-qt-creator,richardmg/qtcreator,azat/qtcreator,colede/qtcreator,renatofilho/QtCreator,maui-packages/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,jonnor/qt-creator