[gtk] textview: Add missing break statement

[Benjamin Otte <otte src gnome org>]

commit ad3ded7ba0aca2d5fdd549d8366afeed5bcf2b1c
Author: Benjamin Otte <otte redhat com>
Date:   Sat Jan 26 14:30:06 2019 +0100

    textview: Add missing break statement

 gtk/gtktextlayout.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtktextlayout.c b/gtk/gtktextlayout.c
index 2ebddbbda6..f941e33115 100644
--- a/gtk/gtktextlayout.c
+++ b/gtk/gtktextlayout.c
@@ -2040,6 +2040,7 @@ add_preedit_attrs (GtkTextLayout     *layout,
              if (appearance.strikethrough_rgba)
                gdk_rgba_free (appearance.strikethrough_rgba);
              appearance.strikethrough_rgba = gdk_rgba_copy (&rgba);
+             break;
             case PANGO_ATTR_RISE:
               appearance.rise = ((PangoAttrInt *)attr)->value;
               break;