Best efforts decoding of output from diff command

diff-encoding.patch

diff --git a/lib/MetaCPAN/Server/Diff.pm b/lib/MetaCPAN/Server/Diff.pm
index 2f90e6e..98c6306 100644
--- a/lib/MetaCPAN/Server/Diff.pm
+++ b/lib/MetaCPAN/Server/Diff.pm
@@ -2,6 +2,7 @@ package MetaCPAN::Server::Diff;
 
 use Moose;
 use IPC::Run3;
+use Encoding::FixLatin qw(fix_latin);
 
 has git => ( is => 'ro', required => 1 );
 has [qw(source target)] => ( is => 'ro', required => 1 );
@@ -17,7 +18,7 @@ sub _build_raw {
     (my $stats = $raw ) =~ s/^([^\n]*\0).*$/$1/s;
     $self->numstat($stats);
     $raw = substr($raw, length($stats));
-    return $raw;
+    return fix_latin($raw);
 }
 
 sub _build_structured {