Update rpp-lib

diff --git a/rpp-lib b/rpp-lib
index e11d7d08fb8724c84ff26fdbeb35d9a5bfef5093..b446fb76462cbf0d15f7a26d078613635d9d8ffd 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit e11d7d08fb8724c84ff26fdbeb35d9a5bfef5093
+Subproject commit b446fb76462cbf0d15f7a26d078613635d9d8ffd