perl wants "use utf8" when UTF-8 is in the source

When there are literal UTF-8 characters in the source, "use utf8" will
tell Perl to set the utf8 flag on strings.

1 files changed, 1 insertions, 0 deletions

diff --git a/runtests.pl b/runtests.pl
index 5facbe6..ce72931 100644
--- a/runtests.pl
+++ b/runtests.pl
@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 use warnings;
 use strict;
+use utf8;
 use Term::ANSIColor;
 use IO::Handle;
 use IPC::Open2;