Update rpp-lib

diff --git a/rpp-lib b/rpp-lib
index 4f70b517b84800ce7ba1326156ae278c4601a83f..bc871efc46419df40b9c449fdea7ed300f0a87b8 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit 4f70b517b84800ce7ba1326156ae278c4601a83f
+Subproject commit bc871efc46419df40b9c449fdea7ed300f0a87b8