ab: Follow up to r1910515: Update global counter too..

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1910516 13f79535-47bb-0310-9956-ffa450edef68

support/ab.c

@@ -1091,6 +1091,7 @@ static void consolidate_metrics(void)
         metrics.err_recv += worker->metrics.err_recv;
         metrics.err_except += worker->metrics.err_except;
         metrics.err_response += worker->metrics.err_response;
+        metrics.aborted_ka += worker->metrics.aborted_ka;
 
         metrics.concurrent += worker->metrics.concurrent;
         metrics.totalread += worker->metrics.totalread;