typo in dircproxy.pm, closes SF #1527442.

modules/Pisg/Parser/Format/dircproxy.pm

@@ -1,4 +1,4 @@
-package Pisg::Parser::Format::dircproxy2;
+package Pisg::Parser::Format::dircproxy;
 
 # Documentation for the Pisg::Parser::Format modules is found in Template.pm