Update lib submodule

diff --git a/rpp-lib b/rpp-lib
index 2cda0f0be1f97c35749457f83ec0ec18e2face46..8a2657a15be4033871c2498f94ee483ef0c3f957 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit 2cda0f0be1f97c35749457f83ec0ec18e2face46
+Subproject commit 8a2657a15be4033871c2498f94ee483ef0c3f957