Fixed bug #48805 (IPv6 socket transport is not working).

NEWS

@@ -19,6 +19,7 @@
   cannot be set"). (Felipe)
 - Fixed bug #49517 (cURL's CURLOPT_FILE prevents file from being deleted after
   fclose). (Ilia)
+- Fixed bug #48805 (IPv6 socket transport is not working). (Ilia)
 
 ?? ??? 2009, PHP 5.3.1RC? <- WHY IS THIS HERE? Gonna be released after 5.3.1 or what??
 - Upgraded bundled sqlite to version 3.6.18. (Ilia)

main/network.c

@@ -792,7 +792,7 @@ php_socket_t php_network_connect_socket_to_host(const char *host, unsigned short
 		switch (sa->sa_family) {
 #if HAVE_GETADDRINFO && HAVE_IPV6
 			case AF_INET6:
-				if (bindto && strchr(bindto, ':')) {
+				if (!bindto || strchr(bindto, ':')) {
 					((struct sockaddr_in6 *)sa)->sin6_family = sa->sa_family;
 					((struct sockaddr_in6 *)sa)->sin6_port = htons(port);
 					socklen = sizeof(struct sockaddr_in6);