We need to remove the entry from the KHTML image cache when a load
	has an error, so it will be reloaded next time we try.

        Reviewed by Darin,

        * khtml/misc/loader.cpp:
        (Loader::slotFinished):  Remove cache entry on job error.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@3278 268f45cc-cd09-0410-ab3c-d52691b4dbfc