[transcode] add bug reference

[Leigh Scott]

commit df7fb37aae54e28c4a1d8a9edd6ec7c76f34ba27
Author: leigh123linux <leigh123linux at googlemail.com>
Date:   Sat Sep 17 09:19:15 2016 +0100

    add bug reference

 transcode.spec | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/transcode.spec b/transcode.spec
index 4494550..be9064e 100644
--- a/transcode.spec
+++ b/transcode.spec
@@ -177,7 +177,7 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 
 %changelog
 * Sat Sep 17 2016 Leigh Scott <leigh123linux at googlemail.com> - 1.1.7-15
-- Patch to rename avcodec_encode_audio to avcodec_encode_audio2
+- Patch to rename avcodec_encode_audio to avcodec_encode_audio2 rfbz#4262
 
 * Mon Feb 29 2016 Sérgio Basto <sergio at serjux.com> - 1.1.7-14
 - Add all archlinux/gentoo patches make it compatible with lastest ffmpeg.