[gnome-characters] css: Don't use deprecated gtk-key-bindings

[Daiki Ueno <dueno src gnome org>]

commit b934638301d76c06f621dd760e059b1678c31b06
Author: Daiki Ueno <dueno src gnome org>
Date:   Mon Dec 14 16:46:26 2015 +0900

    css: Don't use deprecated gtk-key-bindings

 data/application.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/application.css b/data/application.css
index 8047ea3..e87e990 100644
--- a/data/application.css
+++ b/data/application.css
@@ -53,5 +53,5 @@ Gjs_MenuPopover .list-row {
 }
 
 GtkScrolledWindow.character-list-scroll {
-  gtk-key-bindings: ScrollUnmodified;
+  -gtk-key-bindings: ScrollUnmodified;
 }