commit-graph: compute generation numbers

diff --git a/contrib/examples/git-difftool.perl b/contrib/examples/git-difftool.perl
index df59bdfe97786b5d9f48777cfad80545ff6bbdc2..fb0fd0b84bee8e55973c1da3f34c83b7fbf16562 100755 (executable)
--- a/contrib/examples/git-difftool.perl
+++ b/contrib/examples/git-difftool.perl
@@ -13,7 +13,7 @@
 use 5.008;
 use strict;
 use warnings;
-use Error qw(:try);
+use Git::Error qw(:try);
 use File::Basename qw(dirname);
 use File::Copy;
 use File::Find;