perl: bump the required Perl version to 5.8 from 5.6.[21]

diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index 27fc79347af428dd39daa5b550814cc6cf980510..a96fb53156214177701c12f8995b277059e55ebd 100755 (executable)
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -1,5 +1,6 @@
 #!/usr/bin/perl -w
 
+use 5.008;
 use strict;
 use Git;