Do not abort fetch on receipt of FETCH_ERROR: the fetch has already been destroyed.

Implement LLCACHE_EVENT_ERROR case of hlcache_llcache_callback().

svn path=/trunk/netsurf/; revision=10218

content/hlcache.c

@@ -175,7 +175,14 @@ nserror hlcache_llcache_callback(llcache_handle *handle,
 		/* should never happen: the handler must be changed */
 		break;
 	case LLCACHE_EVENT_ERROR:
-		/** \todo handle errors */
+		if (ctx->handle->cb != NULL) {
+			hlcache_event hlevent;
+
+			hlevent.type = CONTENT_MSG_ERROR;
+			hlevent.data.error = event->data.msg;
+
+			ctx->handle->cb(ctx->handle, &hlevent, ctx->handle->pw);
+		}	
 		break;
 	case LLCACHE_EVENT_PROGRESS:
 		break;

content/llcache.c

@@ -1327,7 +1327,7 @@ void llcache_fetch_callback(fetch_msg msg, void *p, const void *data,
 	/* Out-of-band information */
 	case FETCH_ERROR:
 		/* An error occurred while fetching */
-		fetch_abort(object->fetch.fetch);
+		/* The fetch has has already been cleaned up by the fetcher */
 		object->fetch.fetch = NULL;
 		/** \todo Ensure this object becomes stale */