QmlJSEditor: Fix compilation warning (gcc)
QmlJSEditor: Fix compilation warning (gcc)

Reviewed-by: Christian Kamm
(cherry picked from commit 3281a9e691910efabee97c2c88f54a0cc5435b4a)

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