update ChangeLog

Change-Id: I5346984d2adff27b64304c154d720456549a9f24
diff --git a/ChangeLog b/ChangeLog
index 438dad8..fbde1e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,5 @@
+dbc3da6 makefile.unix: add vwebp.1 to the dist target
+89a7c83 update ChangeLog
 ffe67ee Merge "update NEWS for the next release" into 0.4.1
 2def1fe gif2webp: dust up the help message
 fb668d7 remove -noalphadither option from README/vwebp.1