Silence message box occurring after canceling custom executable dialog.
Silence message box occurring after canceling custom executable dialog.

(See also fe2dd584fc5ce998e50aa667044505193256f45f ).

Change-Id: Iffb8f95084955a9ca1cc4b7b0adb558f41811cb4
Reviewed-by: Daniel Teske <d8a411aec9a206efedb4d45b75fe8d13f1e2b628@digia.com>

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