File prozgui-retval.diff of Package prozgui

--- libprozilla/src/download.c
+++ libprozilla/src/download.c
@@ -2186,7 +2186,8 @@
    default:
      proz_die("Bad building falg in download structure");
    }
-
+   /* unreached */
+   return JOINERR;
 }