update ChangeLog

Change-Id: Ibaa88480519114b8f36f96c51d44b5c3b8a6433d
diff --git a/ChangeLog b/ChangeLog
index c72edbc..7ac7b5f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,5 @@
+20a7fea0 extras/Makefile.am: fix libwebpextras.la reference
+415f3ffe update ChangeLog (tag: v0.6.0-rc3)
 3c6d1224 update NEWS
 ee4a4141 update AUTHORS
 32ed856f Fix "all|no frames are keyframes" settings.