- Updated generated file

ext/standard/var_unserializer.c

@@ -1,4 +1,4 @@
-/* Generated by re2c 0.13.5 on Mon Jun 28 13:40:53 2010 */
+/* Generated by re2c 0.13.5 on Fri Aug  6 19:20:07 2010 */
 #line 1 "ext/standard/var_unserializer.re"
 /*
   +----------------------------------------------------------------------+
@@ -227,7 +227,7 @@ static inline long parse_iv2(const unsigned char *p, const unsigned char **q)
 	while (1) {
 		cursor = (char)*p;
 		if (cursor >= '0' && cursor <= '9') {
-			result = result * 10 + cursor - '0';
+			result = result * 10 + (size_t)(cursor - (unsigned char)'0');
 		} else {
 			break;
 		}