pmd: update java grammer changelog

pmd/etc/grammar/Java.jjt

@@ -1,4 +1,8 @@
 /**
+ * Check for wrong java usage when catching multiple exceptions.
+ *
+ * Andreas Dangel 12/2012
+ * ===================================================================
  * Enhance grammar to use LocalVariableDeclaration in a for-each loop.
  * This enhances the symbol table to recognize variables declared in such
  * a for-each loop.