Description: Clean up const-* files between builds
  const-c.inc and const-xs.inc aren't being cleaned by distclean in upstream.
Author: Jonathan Steinert <deb@hachi.kuiki.net>
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -20,6 +20,7 @@
     XSOPT             => '-C++',
     CCFLAGS           => '-g',
     CC                => 'g++',
+    clean             => { FILES => "const-c.inc const-xs.inc" },
 );
 if  (eval {require ExtUtils::Constant; 1}) {
   # If you edit these definitions to change the constants used by this module,
