archive: ustar header checksum is computed unsigned

diff --git a/streaming.c b/streaming.c
index 7e7ee2be6fe147ff660f8ab25618fbe4d4d0f11c..3a3cd1206af5465323760e952a836935ac271d32 100644 (file)
--- a/streaming.c
+++ b/streaming.c
@@ -99,7 +99,7 @@ int close_istream(struct git_istream *st)
        return r;
 }
 
-ssize_t read_istream(struct git_istream *st, char *buf, size_t sz)
+ssize_t read_istream(struct git_istream *st, void *buf, size_t sz)
 {
        return st->vtbl->read(st, buf, sz);
 }