Update lib submodule

diff --git a/rpp-lib b/rpp-lib
index 9775079b2b35eb40cf4808b185631e786c2bc1d8..2f0308e1b610e6039677031bdb86e0bb378dd43e 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit 9775079b2b35eb40cf4808b185631e786c2bc1d8
+Subproject commit 2f0308e1b610e6039677031bdb86e0bb378dd43e