use const for char buffer in uclient_write

We are not supposed to modify it and ustream accepts const already.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/uclient.c b/uclient.c
index d599763..21f6f5d 100644
--- a/uclient.c
+++ b/uclient.c
@@ -221,7 +221,7 @@ void uclient_free(struct uclient *cl)
 	free(url);
 }
 
-int uclient_write(struct uclient *cl, char *buf, int len)
+int uclient_write(struct uclient *cl, const char *buf, int len)
 {
 	if (!cl->backend->write)
 		return -1;