update elgg-salmon module.

diff --git a/mod/elgg-salmon b/mod/elgg-salmon
index 6008eab9292c7478d34924cd540d4c516bf3a030..e9787cfd97369609eba094222cabb8768f2f4343 160000 (submodule)
--- a/mod/elgg-salmon
+++ b/mod/elgg-salmon
@@ -1 +1 @@
-Subproject commit 6008eab9292c7478d34924cd540d4c516bf3a030
+Subproject commit e9787cfd97369609eba094222cabb8768f2f4343