vcl: remove perror ldp call

Reported by coverity

Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Idae1bceb1eeb6dfe0394eed39ced9d09342d201f

src/vcl/ldp.c

@@ -1865,7 +1865,6 @@ sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
       if (size < 0)
 	{
 	  int errno_val = errno;
-	  perror (func_str);
 	  clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! "
 			"rv %d, errno = %d", getpid (), fd, fd,
 			func_str, size, errno_val);