Update changelog.txt

Author: mpaperno

changelog.txt

@@ -1,5 +1,9 @@
 SpamPD Change Log
 -----------------
+2.42 (08-Dec-13) (experimental)
+
+- Untaint some params for compatibility with Perl 5.18.
+
 2.41 (11-Aug-10) (experimental)
 
 - Added setting of user name at SA init time.
@@ -214,4 +218,4 @@ More orientation to being used as a content filter for the
   Postfix MTA, mostly by changing some default values; 
 Documentation changes;
 
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