Update to the lastest version of fwp

diff --git a/src/fwp b/src/fwp
index 833ecb742f57d7e3425c9d3760c943c973f6a954..a60a491c3ee0f67b022c822174590e67afa84e1a 160000 (submodule)
--- a/src/fwp
+++ b/src/fwp
@@ -1 +1 @@
-Subproject commit 833ecb742f57d7e3425c9d3760c943c973f6a954
+Subproject commit a60a491c3ee0f67b022c822174590e67afa84e1a