msg/async: s/num_workers/workers.size()/

prepare for dropping num_workers, the latter can be dropped in a later
commit.

Signed-off-by: Kefu Chai <kchai@redhat.com>
(cherry picked from commit 52044dcbc7c00758491f095f98c35e886cf379ae)

diff --git a/src/msg/async/Stack.h b/src/msg/async/Stack.h
index 855527bfdb8d7bbb25d35c0f92e238594ccb8db1..eee4a3f9447ad68f155d2e46df720d8d212ceaac 100644 (file)
--- a/src/msg/async/Stack.h
+++ b/src/msg/async/Stack.h
@@ -334,7 +334,7 @@ class NetworkStack {
   }
   void drain();
   unsigned get_num_worker() const {
-    return num_workers;
+    return workers.size();
   }
 
   // direct is used in tests only