Updated libopts

diff --git a/modules/libopts b/modules/libopts
index c4fd3a58689969511685d6817c75cf39c732fe7a..57c1fa4035fadc76abcfb6b7cf4eadfae4db2b85 160000 (submodule)
--- a/modules/libopts
+++ b/modules/libopts
@@ -1 +1 @@
-Subproject commit c4fd3a58689969511685d6817c75cf39c732fe7a
+Subproject commit 57c1fa4035fadc76abcfb6b7cf4eadfae4db2b85