[libpeas] Fix a memory leak in the tests caused by resident modules

[Steve Frécinaux <sfre src gnome org>]

commit 101afa0e6ba7ef949f62866b239615e67f4722c7
Author: Garrett Regier <alias301 gmail com>
Date:   Sun Jan 16 12:38:19 2011 -0800

    Fix a memory leak in the tests caused by resident modules

 tests/libpeas/extension.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/libpeas/extension.c b/tests/libpeas/extension.c
index 9b8d66f..978c56d 100644
--- a/tests/libpeas/extension.c
+++ b/tests/libpeas/extension.c
@@ -96,6 +96,8 @@ test_extension_create_invalid (PeasEngine *engine)
                                                 PEAS_TYPE_ACTIVATABLE,
                                                 "object", NULL,
                                                 NULL);
+      /* Resident Modules */
+      g_object_unref (extension);
       exit (0);
     }
   /* Resident modules cause this to fail?