[cantarell-fonts] ASCII-fy copyright, as CFF only allows ASCII

[Nikolaus Waxweiler <nwaxweiler src gnome org>]

commit 66ca5593ff6e0affb227ea5c63fbea58db16c2b4
Author: Nikolaus Waxweiler <madigens gmail com>
Date:   Fri Mar 2 20:47:10 2018 +0100

    ASCII-fy copyright, as CFF only allows ASCII

 src/Cantarell.glyphs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Cantarell.glyphs b/src/Cantarell.glyphs
index f56006a..9b4c869 100644
--- a/src/Cantarell.glyphs
+++ b/src/Cantarell.glyphs
@@ -10,7 +10,7 @@ code = "A Aacute Abreve Abreveacute Abrevedotbelow Abrevegrave Abrevehookabove A
 name = Uppercase;
 }
 );
-copyright = "Copyright © 2009—2017 The Cantarell Authors";
+copyright = "Copyright (c) 2009--2017 The Cantarell Authors";
 customParameters = (
 {
 name = vendorID;