Update lib submodule

diff --git a/rpp-lib b/rpp-lib
index b9c14221d9d95c415ea02c0ba34dbf87d90ddbaf..9775079b2b35eb40cf4808b185631e786c2bc1d8 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit b9c14221d9d95c415ea02c0ba34dbf87d90ddbaf
+Subproject commit 9775079b2b35eb40cf4808b185631e786c2bc1d8