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

diff --git a/git-relink.perl b/git-relink.perl
index 937c69a74858a8a3c63bb41a23705b579df1b3a3..af2e305fa39aa1b04ffaca7f026eb2a3dda71b0d 100755 (executable)
--- a/git-relink.perl
+++ b/git-relink.perl
@@ -6,7 +6,7 @@
 #
 # Scan two git object-trees, and hardlink any common objects between them.
 
-use 5.006;
+use 5.008;
 use strict;
 use warnings;
 use Getopt::Long;