Fix datatype

This has been introduced by 84b0d0faba.
Besides it causes runtime issues on POWER5 (and presumably later), the
implementation would expect this array to consist on 32-bit integers.

ext/hash/php_hash_gost.h

@@ -22,7 +22,7 @@
 /* GOST context */
 typedef struct {
 	uint32_t state[16];
-	size_t count[2];
+	uint32_t count[2];
 	unsigned char length;
 	unsigned char buffer[32];
 	const uint32_t (*tables)[4][256];