Bug 242708 Custom folder chosen as Junk folder has Junk icon, but keeps it even when not being the Junk folder anymore

patch by durbacher@gmx.de r=mscott sr=bienvenu

mailnews/base/util/nsMsgIncomingServer.cpp

@@ -2103,10 +2103,10 @@ nsMsgIncomingServer::SetSpamSettings(nsISpamSettings *aSpamSettings)
       // remove the MSG_FOLDER_FLAG_JUNK on the old junk folder
       // XXX TODO
       // JUNK MAIL RELATED
-      // in SetFlag, we need to make sure that this folder
+      // (in ClearFlag?) we need to make sure that this folder
       // is not a the junk folder for another account
       // the same goes for set flag.  have fun with all that.
-      oldJunkFolder->SetFlag(~MSG_FOLDER_FLAG_JUNK);
+      oldJunkFolder->ClearFlag(MSG_FOLDER_FLAG_JUNK);
     }
   }