[fractal] Fix English style in a string

[Alexandre Franke <afranke src gnome org>]

commit ea50db3c220be567037b80f1825295bbc0fdbb83
Author: Alexandre Franke <afranke gnome org>
Date:   Thu Feb 13 08:17:46 2020 +0100

    Fix English style in a string

 fractal-gtk/src/widgets/media_viewer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/fractal-gtk/src/widgets/media_viewer.rs b/fractal-gtk/src/widgets/media_viewer.rs
index daad0da4..bf389abe 100644
--- a/fractal-gtk/src/widgets/media_viewer.rs
+++ b/fractal-gtk/src/widgets/media_viewer.rs
@@ -162,7 +162,7 @@ impl Data {
                 self.media_list[self.current_media_index].body.clone(),
             );
         } else {
-            ErrorDialog::new(false, &i18n("Media is not loaded, yet."));
+            ErrorDialog::new(false, &i18n("Media is not loaded yet."));
         }
     }