libgsystem: Update to the latest

diff --git a/src/libgsystem b/src/libgsystem
index 3ca90a9a5644573be3a84c689a437598fb4406cd..980fb78af5953423042bf9b426caeb72ac2b73a5 160000 (submodule)
--- a/src/libgsystem
+++ b/src/libgsystem
@@ -1 +1 @@
-Subproject commit 3ca90a9a5644573be3a84c689a437598fb4406cd
+Subproject commit 980fb78af5953423042bf9b426caeb72ac2b73a5