rtpbuffer: add a const where appropriate

diff --git a/gst-libs/gst/rtp/gstrtpbuffer.c b/gst-libs/gst/rtp/gstrtpbuffer.c
index 6ff9256..d67580c 100644 (file)
--- a/gst-libs/gst/rtp/gstrtpbuffer.c
+++ b/gst-libs/gst/rtp/gstrtpbuffer.c
@@ -1520,7 +1520,7 @@ gst_rtp_buffer_add_extension_onebyte_header (GstRTPBuffer * rtp, guint8 id,
 
 
 static guint
-get_twobytes_header_end_offset (guint8 * pdata, guint wordlen)
+get_twobytes_header_end_offset (const guint8 * pdata, guint wordlen)
 {
   guint offset = 0;
   guint bytelen = wordlen * 4;