Fixed a ZRANK bug

redis.c

@@ -741,7 +741,7 @@ static struct redisCommand cmdTable[] = {
     {"zrevrange",zrevrangeCommand,-4,REDIS_CMD_INLINE,1,1,1},
     {"zcard",zcardCommand,2,REDIS_CMD_INLINE,1,1,1},
     {"zscore",zscoreCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,1,1,1},
-    {"zrank",zrankCommand,3,REDIS_CMD_INLINE,1,1,1},
+    {"zrank",zrankCommand,3,REDIS_CMD_BULK,1,1,1},
     {"zrevrank",zrevrankCommand,3,REDIS_CMD_INLINE,1,1,1},
     {"hset",hsetCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,1,1,1},
     {"hget",hgetCommand,3,REDIS_CMD_BULK,1,1,1},

redis.tcl

@@ -20,7 +20,7 @@ array set ::redis::multibulkarg {}
 
 # Flag commands requiring last argument as a bulk write operation
 foreach redis_bulk_cmd {
-    set setnx rpush lpush lset lrem sadd srem sismember echo getset smove zadd zrem zscore zincrby append
+    set setnx rpush lpush lset lrem sadd srem sismember echo getset smove zadd zrem zscore zincrby append zrank
 } {
     set ::redis::bulkarg($redis_bulk_cmd) {}
 }