[gegl] gegl: don't leak the swapdir in gegl_config_set_defaults()

[Michael Natterer <mitch src gnome org>]

commit d8c6019f306d01569aee7822528ef388facae521
Author: Michael Natterer <mitch gimp org>
Date:   Mon Oct 6 19:45:28 2014 +0200

    gegl: don't leak the swapdir in gegl_config_set_defaults()

 gegl/gegl-init.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gegl/gegl-init.c b/gegl/gegl-init.c
index 2afd95a..c19a0d3 100644
--- a/gegl/gegl-init.c
+++ b/gegl/gegl-init.c
@@ -322,6 +322,8 @@ static void gegl_config_set_defaults (GeglConfig *config)
   g_object_set (config,
                 "swap", swapdir,
                 NULL);
+
+  g_free (swapdir);
 }
 
 static void gegl_config_parse_env (GeglConfig *config)