--- embedaddon/php/ext/standard/crypt_sha512.c	2012/02/21 23:48:02	1.1.1.1
+++ embedaddon/php/ext/standard/crypt_sha512.c	2012/05/29 12:34:43	1.1.1.2
@@ -506,7 +506,7 @@ php_sha512_crypt_r(const char *key, const char *salt, 
 	sha512_init_ctx(&alt_ctx);
 
 	/* For every character in the password add the entire password.  */
-	for (cnt = 0; cnt < 16 + alt_result[0]; ++cnt) {
+	for (cnt = 0; cnt < (size_t) (16 + alt_result[0]); ++cnt) {
 		sha512_process_bytes(salt, salt_len, &alt_ctx);
 	}