ensure metadata stays at v2 everywhere

internally EUMM might store metadata at v1.4 and lose some prereqs.

diff --git a/Makefile.PL b/Makefile.PL
index d7aac45..1f0aa0e 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -27,6 +27,7 @@ my %WriteMakefileArgs = (
   },
 
   META_ADD => {
+    'meta-spec' => { version => 2 },
     prereqs => {
       configure => {
         requires => {