[gimp] app: fix string leak in prefs_profile_combo_box_new()

[Michael Natterer <mitch src gnome org>]

commit b4a2fa916c0ec28b8b2bade80137a3bb0182a20a
Author: Michael Natterer <mitch gimp org>
Date:   Thu Mar 27 19:11:13 2014 +0100

    app: fix string leak in prefs_profile_combo_box_new()

 app/dialogs/preferences-dialog.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/app/dialogs/preferences-dialog.c b/app/dialogs/preferences-dialog.c
index 2bc2c77..cc59638 100644
--- a/app/dialogs/preferences-dialog.c
+++ b/app/dialogs/preferences-dialog.c
@@ -880,6 +880,8 @@ prefs_profile_combo_box_new (GObject      *config,
   gimp_color_profile_combo_box_set_active (GIMP_COLOR_PROFILE_COMBO_BOX (combo),
                                            filename, NULL);
 
+  g_free (filename);
+
   g_signal_connect (dialog, "response",
                     G_CALLBACK (prefs_profile_combo_dialog_response),
                     combo);