Add missing git revision hask.

diff --git a/doc/APIchanges b/doc/APIchanges
index e459cfd..c88d4d2 100644 (file)
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -13,7 +13,7 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
-2011-02-08 - xxxxxxx - lavf 52.98.0 - av_probe_input_buffer
+2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
   Add av_probe_input_buffer() to avformat.h for probing format from a
   ByteIOContext.