[gobject-introspection] gdump: Fix print-format error while GFlagsValue->value is an unsigned int

[Rico Tzschichholz <ricotz src gnome org>]

commit 536491829fd5bd6022d264cb7a3b514a7f98e089
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Jul 4 16:54:31 2018 +0200

    gdump: Fix print-format error while GFlagsValue->value is an unsigned int

 girepository/gdump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/girepository/gdump.c b/girepository/gdump.c
index 6aa8bfd1..0e8c6035 100644
--- a/girepository/gdump.c
+++ b/girepository/gdump.c
@@ -311,7 +311,7 @@ dump_flags_type (GType type, const char *symbol, GOutputStream *out)
     {
       GFlagsValue *value = &(klass->values[i]);
 
-      escaped_printf (out, "    <member name=\"%s\" nick=\"%s\" value=\"%d\"/>\n",
+      escaped_printf (out, "    <member name=\"%s\" nick=\"%s\" value=\"%u\"/>\n",
                      value->value_name, value->value_nick, value->value);
     }
   goutput_write (out, "  </flags>\n");