chronosync: Update to the latest version in git

Change-Id: Iac70788ff2145661f7a388674a5905c10b829c6a
diff --git a/libchronosync/debian/rules b/libchronosync/debian/rules
index 8f439fe..762e694 100755
--- a/libchronosync/debian/rules
+++ b/libchronosync/debian/rules
@@ -35,6 +35,8 @@
 	rm -rf .waf-1*
 	rm -f .waf-tools/*.pyc
 	rm -f docs/*.pyc
+	rm -rf .waf-tools/__pycache__
+	rm -rf docs/__pycache__
 
 override_dh_auto_test: