[gnome-themes-standard] trivial: add a missing 'px'

[Cosimo Cecchi <cosimoc src gnome org>]

commit fbb7d040f8daa75821cb655eb0f8bfb23515b813
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Mar 26 09:15:05 2012 -0400

    trivial: add a missing 'px'
    
    Otherwise GTK will warn out that a unit is missing.

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index 95d49b8..2241606 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -2524,7 +2524,7 @@ GsmFailWhaleDialog * {
 /* gnome-screensaver lock dialog */
 GSLockPlug .frame {
     border-color: @borders;
-    border-width: 1;
+    border-width: 1px;
     border-style: solid;
     border-radius: 0;
 }