zlib: initialize git_zstream in git_deflate_init{,_gzip,_raw}

diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 9ca0203922ba41139ad8daa9672acd22602bc1b5..1239a10d0e197ee88faafc5f0e8982aeb6f64a5b 100644 (file)
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -1173,7 +1173,6 @@ static int write_compressed(struct sha1file *f, void *in, unsigned int size)
        int status;
        unsigned char outbuf[4096];
 
-       memset(&stream, 0, sizeof(stream));
        git_deflate_init(&stream, zlib_compression_level);
        stream.next_in = in;
        stream.avail_in = size;