Fix update_from_master() for receiving HTTP/1.1

Signed-off-by: Marvin Scholz <epirat07@gmail.com>

src/slave.c

@@ -646,7 +646,7 @@ static int update_from_master(ice_config_t *config)
         free(data);
 
         if (sock_read_line(mastersock, buf, sizeof(buf)) == 0 ||
-                strncmp (buf, "HTTP/1.0 200", 12) != 0)
+                (strncmp (buf, "HTTP/1.0 200", 12) != 0) && (strncmp (buf, "HTTP/1.1 200", 12) != 0))
         {
             sock_close (mastersock);
             ICECAST_LOG_WARN("Master rejected streamlist request");