Update lib submodule

diff --git a/rpp-lib b/rpp-lib
index 36cce1998e858c1f3980ffca737f831180209431..43abab70ee9fc454082d07d45af101b1fbdfde28 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit 36cce1998e858c1f3980ffca737f831180209431
+Subproject commit 43abab70ee9fc454082d07d45af101b1fbdfde28