debug_cb buffer type warning
diff --git a/util.c b/util.c
index 555e709..cbb8b63 100644
--- a/util.c
+++ b/util.c
@@ -262,8 +262,7 @@ static void set_nettime(void)
}
static int curl_debug_cb(__maybe_unused CURL *handle, curl_infotype type,
- __maybe_unused unsigned char *data, size_t size,
- void *userdata)
+ __maybe_unused char *data, size_t size, void *userdata)
{
struct pool *pool = (struct pool *)userdata;