vtysh: Fix Coverity Warning CID 1399479 (#1 of 1): Destination buffer…

… too small (BUFFER_SIZE)

Coverity: buffer_size: You might overrun the 108 byte destination string addr.sun_path by writing the maximum 4095 bytes from path.
Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>

vtysh/vtysh.c

@@ -3001,7 +3001,7 @@ vtysh_connect (struct vtysh_client *vclient)
 
   memset (&addr, 0, sizeof (struct sockaddr_un));
   addr.sun_family = AF_UNIX;
-  strncpy (addr.sun_path, path, strlen (path));
+  strlcpy (addr.sun_path, path, sizeof (addr.sun_path));
 #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
   len = addr.sun_len = SUN_LEN(&addr);
 #else