diff -r df6a32249b46 -r 8450951a8e2d lemon/arg_parser.cc
--- a/lemon/arg_parser.cc	Sat Mar 03 12:05:05 2007 +0000
+++ b/lemon/arg_parser.cc	Sat Mar 03 16:04:50 2007 +0000
@@ -20,7 +20,7 @@
 
   void ArgParser::_showHelp(void *p)
   {
-    ((ArgParser*)p)->showHelp();
+    (static_cast<ArgParser*>(p))->showHelp();
     exit(1);
   }