Item12423: Wrong encoding for compare

Wrong encoding with pl_PL.UTF-8 locale:

"Różnice: WebHome (r6 vs. r5)"

should be

"Różnice: WebHome (r6 vs. r5)"

Pull request: https://github.com/foswiki/CompareRevisionsAddOn/pull/1

Patch:

diff --git a/lib/Foswiki/Contrib/CompareRevisionsAddOn/Compare.pm b/lib/Foswiki/Contrib/CompareRevisionsAddOn/Compare.pm
index 86ade37..96edc3d 100755
--- a/lib/Foswiki/Contrib/CompareRevisionsAddOn/Compare.pm
+++ b/lib/Foswiki/Contrib/CompareRevisionsAddOn/Compare.pm
@@ -239,6 +239,10 @@ sub compare {
         # Do the replacement of %TEXT1% and %TEXT2% simultaneously
         # to prevent difficulties with text containing '%TEXT2%'
         $tmpl =~ s/%TEXT(1|2)%/$1==1?$text1:$text2/ge;
+
+        my $charset = $Foswiki::cfg{Site}{CharSet} || 'iso-8859-1';
+        $tmpl = Encode::encode( $charset, $tmpl );
+
         $output .= $tmpl;
 
     }
@@ -292,10 +296,6 @@ sub compare {
 
     $output .= $tmpl_after;
 
-    # Item12337: part of alternative fix for Item11755
-    my $charset = $Foswiki::cfg{Site}{CharSet} || 'iso-8859-1';
-    $output = Encode::encode( $charset, $output );
-
     # Break circular references to avoid memory leaks. (Tasks:9127)
     $tree1 = $tree1->parent() while defined $tree1->parent();
     $tree1->delete();