Update to latest libglnx

diff --git a/libglnx b/libglnx
index 7e24c244ffb3c1b7825c9e45dbf2806b86e46f95..03138641298fd6799f46b16423871f959332bacf 160000 (submodule)
--- a/libglnx
+++ b/libglnx
@@ -1 +1 @@
-Subproject commit 7e24c244ffb3c1b7825c9e45dbf2806b86e46f95
+Subproject commit 03138641298fd6799f46b16423871f959332bacf