[gtk+] HighContrast: Add a missing unit

[Matthias Clasen <matthiasc src gnome org>]

commit 474d6bec85afb986e7e7e1110f8a0fd09c04e46a
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 5 16:54:40 2016 -0500

    HighContrast: Add a missing unit

 gtk/theme/HighContrast/_common.scss |    2 +-
 gtk/theme/HighContrast/gtk.css      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/theme/HighContrast/_common.scss b/gtk/theme/HighContrast/_common.scss
index e9459f9..ded8dfa 100644
--- a/gtk/theme/HighContrast/_common.scss
+++ b/gtk/theme/HighContrast/_common.scss
@@ -1085,7 +1085,7 @@ treeview.view {
   padding: 3px 6px;
   border-style: none solid solid none;
   border-radius: 0;
-  border-width: 1;
+  border-width: 1px;
   background-image: none;
   border-color: mix($backdrop_fg_color, $backdrop_bg_color,50%);
   text-shadow: none;
diff --git a/gtk/theme/HighContrast/gtk.css b/gtk/theme/HighContrast/gtk.css
index ac06080..6ccba92 100644
--- a/gtk/theme/HighContrast/gtk.css
+++ b/gtk/theme/HighContrast/gtk.css
@@ -1232,7 +1232,7 @@ treeview.view header button, treeview.view header button:hover, treeview.view he
   padding: 3px 6px;
   border-style: none solid solid none;
   border-radius: 0;
-  border-width: 1;
+  border-width: 1px;
   background-image: none;
   border-color: gray;
   text-shadow: none; }