Use a pooled zlib implementation

It's trivially forked from the standard library and improves git ls-tree
-r --long speed by approximately 25%.

1 files changed, 1 insertions, 1 deletions

diff --git a/loose.go b/loose.go
index c0843515..44a1ee99 100644
--- a/loose.go
+++ b/loose.go
@@ -2,7 +2,7 @@ package furgit
 
 import (
 	"bytes"
-	"compress/zlib"
+	"git.sr.ht/~runxiyu/furgit/internal/zlib"
 	"fmt"
 	"io"
 	"os"