Do not warn about disk-errors when job is deleted/done

Only happens in really fast situations with many server connections for small downloads completed within 1 or 2 seconds.

sabnzbd/assembler.py

@@ -98,7 +98,7 @@ class Assembler(Thread):
                         filepath = self.assemble(nzf, filepath)
                     except IOError, (errno, strerror):
                         # If job was deleted or in active post-processing, ignore error
-                        if not nzo.is_gone() and not nzo.pp_active:
+                        if not nzo.deleted and not nzo.is_gone() and not nzo.pp_active:
                             # 28 == disk full => pause downloader
                             if errno == 28:
                                 logging.error(T('Disk full! Forcing Pause'))