Update libgsystem

diff --git a/src/libgsystem b/src/libgsystem
index 980fb78af5953423042bf9b426caeb72ac2b73a5..c1736a6364a554eeeed9f411b0b220dd8758c745 160000 (submodule)
--- a/src/libgsystem
+++ b/src/libgsystem
@@ -1 +1 @@
-Subproject commit 980fb78af5953423042bf9b426caeb72ac2b73a5
+Subproject commit c1736a6364a554eeeed9f411b0b220dd8758c745