Update 'sweep' submodule

diff --git a/sweep b/sweep
index 15c5e75c969da3a30bf770c0b23eb274c6cba62c..b0735c5bc84c13d36670ada6d7b5ab03bf76d340 160000 (submodule)
--- a/sweep
+++ b/sweep
@@ -1 +1 @@
-Subproject commit 15c5e75c969da3a30bf770c0b23eb274c6cba62c
+Subproject commit b0735c5bc84c13d36670ada6d7b5ab03bf76d340