Get rid of a superfluous pointer cast
diff --git a/src/filebuf.c b/src/filebuf.c
index 9388d8b..70245b5 100644
--- a/src/filebuf.c
+++ b/src/filebuf.c
@@ -116,7 +116,7 @@ static int write_deflate(git_filebuf *file, void *source, size_t len)
z_stream *zs = &file->zs;
if (len > 0 || file->flush_mode == Z_FINISH) {
- zs->next_in = (void *)source;
+ zs->next_in = source;
zs->avail_in = len;
do {