Test for vulnerability CVE-2016-7117 in recvmmsg error return path

Signed-off-by: Richard Palethorpe <rpalethorpe@suse.com>
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/configure.ac b/configure.ac
index cbe01d3..326da8e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -192,5 +192,6 @@
 LTP_CHECK_KEYUTILS_SUPPORT
 LTP_CHECK_SYNC_ADD_AND_FETCH
 LTP_CHECK_BUILTIN_CLEAR_CACHE
+LTP_CHECK_MMSGHDR
 
 AC_OUTPUT