run con_fix_percent unconditionally, not only on parsing errors

src/load_layout.c

@@ -444,12 +444,12 @@ void tree_append_json(const char *filename, char **errormsg) {
         if (errormsg != NULL)
             *errormsg = sstrdup((const char*)str);
         yajl_free_error(hand, str);
+    }
 
     /* In case not all containers were restored, we need to fix the
      * percentages, otherwise i3 will crash immediately when rendering the
      * next time. */
     con_fix_percent(focused);
-    }
 
     setlocale(LC_NUMERIC, "");
 #if YAJL_MAJOR >= 2