rt: Always delete task stacks on the task thread

There's not a real race here, but it makes helgrind happy and is arguably
less prone to future errrors.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/rt/rust_task.h b/src/rt/rust_task.h
index b1610f57582..7063c97f77b 100644
--- a/src/rt/rust_task.h
+++ b/src/rt/rust_task.h
@@ -205,6 +205,7 @@ public:
     void reset_stack_limit();
     bool on_rust_stack();
     void check_stack_canary();
+    void delete_all_stacks();
 
     void config_notify(chan_handle chan);