Updated tasks to 1.8-rc.

diff --git a/mod/tasks b/mod/tasks
index 849031b7bce12185ec9c7ad0bd81c58dcc7d7387..c5bbb86c148086f9e6a540c271583ba4d5a0a06c 160000 (submodule)
--- a/mod/tasks
+++ b/mod/tasks
@@ -1 +1 @@
-Subproject commit 849031b7bce12185ec9c7ad0bd81c58dcc7d7387
+Subproject commit c5bbb86c148086f9e6a540c271583ba4d5a0a06c