FakeVim: Check handler pointer before using it
FakeVim: Check handler pointer before using it

Shouldn't happen in that case. But better safe than sorry.

Change-Id: I8461fec32c23e7efe6c949724cf522b58b703acc
Reviewed-by: Lukas Holecek <9242296069c25c30688bbce328d352a7320fa926@email.cz>
Reviewed-by: Eike Ziller <c142da16c73a95a82d35191bcc55b22835617128@digia.com>

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