Update coffee-flash submodule

diff --git a/coffee-flask b/coffee-flask
index c0aa8ce3d887a2553ada3177b6a1f645f5a703a9..9b74ccb3aa3907ca51f5719fc4c9bf3121594fe4 160000 (submodule)
--- a/coffee-flask
+++ b/coffee-flask
@@ -1 +1 @@
-Subproject commit c0aa8ce3d887a2553ada3177b6a1f645f5a703a9
+Subproject commit 9b74ccb3aa3907ca51f5719fc4c9bf3121594fe4