[gnome-games] Use Unicode typography in new translatable strings

[Piotr Drąg <piotrdrag src gnome org>]

commit 766220248143e62dbc892857f21ed7f0f912e385
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat May 18 13:20:50 2019 +0200

    Use Unicode typography in new translatable strings
    
    See https://developer.gnome.org/hig/stable/typography.html

 src/ui/preferences-page-backup-restore.vala | 4 ++--
 src/utils/archive.vala                      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/ui/preferences-page-backup-restore.vala b/src/ui/preferences-page-backup-restore.vala
index 56957a8a..9a010020 100644
--- a/src/ui/preferences-page-backup-restore.vala
+++ b/src/ui/preferences-page-backup-restore.vala
@@ -20,7 +20,7 @@ private class Games.PreferencesPageBackupRestore : PreferencesPage {
                                Application.restore_from (archive_name);
                        }
                        catch (Error e) {
-                               var msg = _("Couldn't restore: %s").printf (e.message);
+                               var msg = _("Couldn’t restore: %s").printf (e.message);
                                show_error_message (msg);
                        }
                }
@@ -50,7 +50,7 @@ private class Games.PreferencesPageBackupRestore : PreferencesPage {
                                Application.backup_to (filename);
                        }
                        catch (ArchiveError e) {
-                               var msg = _("Couldn't backup: %s").printf (e.message);
+                               var msg = _("Couldn’t backup: %s").printf (e.message);
                                show_error_message (msg);
                        }
                }
diff --git a/src/utils/archive.vala b/src/utils/archive.vala
index 775f7c29..25b86cc6 100644
--- a/src/utils/archive.vala
+++ b/src/utils/archive.vala
@@ -61,7 +61,7 @@ namespace Games {
                entry.set_filetype ((Archive.FileType) Posix.S_IFREG);
                entry.set_perm (0644);
                if (export_archive.write_header (entry) != Archive.Result.OK) {
-                       var error_msg = _("Error writing '%s': %s (%d)").printf (export_dir.get_path (), 
export_archive.error_string (), export_archive.errno ());
+                       var error_msg = _("Error writing “%s”: %s (%d)").printf (export_dir.get_path (), 
export_archive.error_string (), export_archive.errno ());
                        throw new ArchiveError.COMPRESSION_FAILED (error_msg);
                }