reduce delta head inflated size

diff --git a/sha1_file.c b/sha1_file.c
index 716aef33e3a28039a8659d77d6797dc183730643..47e2a29abd6d2ae067d72c0f73bcf4e6afe0a938 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -908,7 +908,7 @@ static int packed_delta_info(struct packed_git *p,
 
        if (sizep) {
                const unsigned char *data;
-               unsigned char delta_head[64];
+               unsigned char delta_head[20];
                unsigned long result_size;
                z_stream stream;
                int st;