amr: osmo_amr_bwe_to_oa() define variable as unsigned

There's no need to have the variable as signed anymore since the loop
was modified in the previous patch. osmo_amr_bytes() returns a size_t
(unsigned).

Change-Id: I8aa6b5f6d3334e152a62b7c28aac3f881f027894

1 files changed, 1 insertions, 1 deletions

diff --git a/src/amr.c b/src/amr.c
index 8cd856d..a40e496 100644
--- a/src/amr.c
+++ b/src/amr.c
@@ -194,7 +194,7 @@ int osmo_amr_bwe_to_oa(uint8_t *payload, unsigned int payload_len,
 	/* The header is only valid after shifting first two bytes to OA mode */
 	struct amr_hdr *oa_hdr;
 	unsigned int i;
-	int oa_payload_len;
+	unsigned int oa_payload_len;
 
 	memset(buf, 0, sizeof(buf));