[4.1] fccc2aa Fix unchecked return

[PÃ¥l Hermunn Johansen]

commit fccc2aa8fc31f0e1c3d94a7e1d09e8a070648023
Author: Guillaume Quintard <guillaume at varnish-software.com>
Date:   Thu Sep 8 11:27:28 2016 +0200

    Fix unchecked return

diff --git a/bin/varnishtest/vtc_client.c b/bin/varnishtest/vtc_client.c
index 804ef6d..2d01fe0 100644
--- a/bin/varnishtest/vtc_client.c
+++ b/bin/varnishtest/vtc_client.c
@@ -97,7 +97,8 @@ client_thread(void *priv)
 			vtc_log(c->vl, 0, "Failed to open %s: %s",
 			    VSB_data(vsb), err);
 		assert(fd >= 0);
-		VTCP_blocking(fd);
+		/* VTCP_blocking does its own checks, trust it */
+		(void)VTCP_blocking(fd);
 		VTCP_myname(fd, mabuf, sizeof mabuf, mpbuf, sizeof mpbuf);
 		vtc_log(vl, 3, "connected fd %d from %s %s to %s",
 		    fd, mabuf, mpbuf, VSB_data(vsb));