adjust default buckets folder

weed/command/s3.go

@@ -27,7 +27,7 @@ func init() {
 	cmdS3.Run = runS3 // break init cycle
 	s3options.filer = cmdS3.Flag.String("filer", "localhost:8888", "filer server address")
 	s3options.filerGrpcPort = cmdS3.Flag.Int("filer.grpcPort", 0, "filer server grpc port, default to filer http port plus 10000")
-	s3options.filerBucketsPath = cmdS3.Flag.String("filer.dir.buckets", "/s3buckets", "folder on filer to store all buckets")
+	s3options.filerBucketsPath = cmdS3.Flag.String("filer.dir.buckets", "/buckets", "folder on filer to store all buckets")
 	s3options.port = cmdS3.Flag.Int("port", 8333, "s3options server http listen port")
 	s3options.domainName = cmdS3.Flag.String("domainName", "", "suffix of the host name, {bucket}.{domainName}")
 }