Fixes:    - Proparser handling of '=' operator.
Fixes:    - Proparser handling of '=' operator.

Details:
"CONFIG = foo bar" resulted in "CONFIG = bar"
"CONFIG = foo
CONFIG = bar $$CONFIG"
resulted in "CONFIG = bar bar"

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