Allow PKCS7_decrypt() to work if no cert supplied.

CHANGES

diff --git a/CHANGES b/CHANGES
index 7a7ca26..614348b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -14,7 +14,10 @@
 
  Changes between 0.9.8 and 0.9.8a  [XX xxx XXXX]
 
-  *) 
+  *) Make PKCS7_decrypt() work even if no certificate is supplied by
+     attempting to decrypt each encrypted key in turn. Add support to
+     smime utility.
+     [Steve Henson]
 
  Changes between 0.9.7h and 0.9.8  [05 Jul 2005]