Fixed compiler warnings

ext/zlib/zlib_filter.c

@@ -275,7 +275,7 @@ static php_stream_filter *php_zlib_filter_create(const char *filtername, zval *f
 	/* Create this filter */
 	data = pecalloc(1, sizeof(php_zlib_filter_data), persistent);
 	if (!data) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed allocating %ld bytes.", sizeof(php_zlib_filter_data));
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed allocating %zd bytes.", sizeof(php_zlib_filter_data));
 		return NULL;
 	}
 
@@ -287,14 +287,14 @@ static php_stream_filter *php_zlib_filter_create(const char *filtername, zval *f
 	data->strm.avail_out = data->outbuf_len = data->inbuf_len = 2048;
 	data->strm.next_in = data->inbuf = (Bytef *) pemalloc(data->inbuf_len, persistent);
 	if (!data->inbuf) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed allocating %ld bytes.", data->inbuf_len);
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed allocating %zd bytes.", data->inbuf_len);
 		pefree(data, persistent);
 		return NULL;
 	}
 	data->strm.avail_in = 0;
 	data->strm.next_out = data->outbuf = (Bytef *) pemalloc(data->outbuf_len, persistent);
 	if (!data->outbuf) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed allocating %ld bytes.", data->outbuf_len);
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed allocating %zd bytes.", data->outbuf_len);
 		pefree(data->inbuf, persistent);
 		pefree(data, persistent);
 		return NULL;