streams: use %zu printf specifier for size_t

Rather than casting to zend_long

Author: Girgias

main/streams/xp_socket.c

@@ -107,8 +107,8 @@ static ssize_t php_sockop_write(php_stream *stream, const char *buf, size_t coun
 		if (!(stream->flags & PHP_STREAM_FLAG_SUPPRESS_ERRORS)) {
 			estr = php_socket_strerror(err, NULL, 0);
 			php_error_docref(NULL, E_NOTICE,
-				"Send of " ZEND_LONG_FMT " bytes failed with errno=%d %s",
-				(zend_long)count, err, estr);
+				"Send of %zu bytes failed with errno=%d %s",
+				count, err, estr);
 			efree(estr);
 		}
 	}