Do not crash if def_bd == NULL (!)
Patch by Andrei Nigmatulin.


git-svn-id: http://protobuf-c.googlecode.com/svn/trunk@266 00440858-1255-0410-a3e6-75ea37f81c3a
diff --git a/ChangeLog b/ChangeLog
index acdd98c..7f87d37 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 0.15 (NOT YET RELEASED)
       - make protobuf_c_message_init() into a function (Issue #49, daveb)
+      - Fix for freeing memory after unpacking bytes w/o a default-value.
+        (Andrei Nigmatulin)
 
 0.14:
       - build fix (missing dependency in test directory)