[gtk/peek-password] Add another entry icon style class

[Matthias Clasen <matthiasc src gnome org>]

commit 737b95500e9240af0b41a79345c4d3981cdd27b3
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Mar 14 17:45:37 2019 -0400

    Add another entry icon style class

 gtk/theme/Adwaita/_common.scss | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 372180ebdb..f7b25d519a 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -335,6 +335,7 @@ entry {
 
       &.clickable:active { color: $selected_bg_color; }
 
+      &.indicator,
       &:backdrop { color: mix($backdrop_fg_color, $backdrop_base_color, 80%); }
     }