CDB: Remove redundant null valdations
CDB: Remove redundant null valdations

Change-Id: I8a4549e04f2a080db94c9a7d8e733b62ef5e1dbc
Reviewed-by: David Schulz <f07954e8cc0c222cd136162588d217f330598215@digia.com>

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