Change type of RedisArray pure_cmds to HashTable

redis_array.h

@@ -48,7 +48,7 @@ typedef struct RedisArray_ {
 	zend_bool pconnect;     /* should we use pconnect */
 	zval z_fun;             /* key extractor, callable */
 	zval z_dist;            /* key distributor, callable */
-	zval z_pure_cmds;		/* hash table */
+	HashTable *pure_cmds;   /* hash table */
 	double connect_timeout; /* socket connect timeout */
 	double read_timeout;    /* socket read timeout */