Plug mem leak in g_dbus_address_get_stream_sync

==6279== 21,615 (4,708 direct, 16,907 indirect) bytes in 169 blocks are
definitely lost in loss record 12 of 13
==6279==    at 0x4024D2E: malloc (vg_replace_malloc.c:207)
==6279==    by 0x4079A90: g_malloc (gmem.c:135)
==6279==    by 0x4079DC8: g_malloc_n (gmem.c:252)
==6279==    by 0x4097E66: g_strsplit (gstrfuncs.c:2434)
==6279==    by 0x42169A2: g_dbus_address_get_stream_sync
(gdbusaddress.c:875)

Bug #618622.

gio/gdbusaddress.c

@@ -907,6 +907,8 @@ g_dbus_address_get_stream_sync (const gchar   *address,
       g_assert (last_error != NULL);
       g_propagate_error (error, last_error);
     }
+
+  g_strfreev (addr_array);
   return ret;
 }