Fix potential crash when cancelling the file dialog while opening or saving configuration
Fix potential crash when cancelling the file dialog while opening or saving configuration


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@35159 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root