vlib: wake up workers if interrupts are posted

Type: fix

Change-Id: If8dbbcb46193fd057fe8d704058609a3a8787d6c
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/src/vlib/node_funcs.h b/src/vlib/node_funcs.h
index b607ef2..89f2123 100644
--- a/src/vlib/node_funcs.h
+++ b/src/vlib/node_funcs.h
@@ -242,6 +242,7 @@
       vec_add2 (nm->pending_remote_interrupts, i, 1);
       i->node_runtime_index = n->runtime_index;
       i->data = data;
+      *nm->pending_remote_interrupts_notify = 1;
       clib_spinlock_unlock (&nm->pending_interrupt_lock);
     }
 }