ui-snapshot: actually compress zip archives

Since cgit linked with git-1.6.0 all zip archives has been uncompressed.
This patch fixes the issue by specifying Z_DEFAULT_COMPRESSION.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/ui-snapshot.c b/ui-snapshot.c
index 4136b3e..dbb5564 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -86,6 +86,7 @@ static int make_snapshot(const struct cgit_snapshot_format *format,
         }
         args.tree = commit->tree;
         args.time = commit->date;
+        args.compression_level = Z_DEFAULT_COMPRESSION;
         ctx.page.mimetype = xstrdup(format->mimetype);
         ctx.page.filename = xstrdup(filename);
         cgit_print_http_headers(&ctx);