[gimp] app: fix small leak.

[Jehan <jehanp src gnome org>]

commit b3add5109c5f2718582bd888ba54cdf563bc3f8a
Author: Jehan <jehan girinstud io>
Date:   Mon Aug 6 16:51:39 2018 +0200

    app: fix small leak.
    
    Return values of gimp_config_build_*_path() must be properly freed.

 app/core/gimpextensionmanager.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/app/core/gimpextensionmanager.c b/app/core/gimpextensionmanager.c
index c04aab927e..790a28424e 100644
--- a/app/core/gimpextensionmanager.c
+++ b/app/core/gimpextensionmanager.c
@@ -481,6 +481,7 @@ gimp_extension_manager_initialize (GimpExtensionManager *manager)
   /* List user-installed extensions. */
   path_str = gimp_config_build_writable_path ("extensions");
   path = gimp_config_path_expand_to_files (path_str, NULL);
+  g_free (path_str);
   for (list = path; list; list = g_list_next (list))
     gimp_extension_manager_search_directory (manager, list->data, FALSE);
   g_list_free_full (path, (GDestroyNotify) g_object_unref);
@@ -488,6 +489,7 @@ gimp_extension_manager_initialize (GimpExtensionManager *manager)
   /* List system extensions. */
   path_str = gimp_config_build_system_path ("extensions");
   path = gimp_config_path_expand_to_files (path_str, NULL);
+  g_free (path_str);
   for (list = path; list; list = g_list_next (list))
     gimp_extension_manager_search_directory (manager, list->data, TRUE);
   g_list_free_full (path, (GDestroyNotify) g_object_unref);