PR: 1813

Submitted by: Torsten Hilbrich <torsten.hilbrich@secunet.com>

Fix memory leak when engine name cannot be loaded.

crypto/engine/eng_list.c

@@ -413,6 +413,7 @@ ENGINE *ENGINE_by_id(const char *id)
 		return iterator;
 		}
 notfound:
+	ENGINE_free(iterator);
 	ENGINEerr(ENGINE_F_ENGINE_BY_ID,ENGINE_R_NO_SUCH_ENGINE);
 	ERR_add_error_data(2, "id=", id);
 	return NULL;