Fix a crash after removing all buildsteps.
Fix a crash after removing all buildsteps.

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