[gnome-boxes] Add units to the -shadow css properties

[Christophe Fergeau <teuf src gnome org>]

commit a0bc446f0d1da8e01ad7e831ee6f9c74b9eec6ef
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Wed May 16 17:39:14 2012 +0200

    Add units to the -shadow css properties
    
    This silences these warnings:
    (gnome-boxes:13260): Gtk-WARNING **: Theme parsing error:
    gtk-style.css:106:20: Not using units is deprecated. Assuming 'px'.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=676176

 data/gtk-style.css |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/gtk-style.css b/data/gtk-style.css
index 9c01a6d..9af959b 100644
--- a/data/gtk-style.css
+++ b/data/gtk-style.css
@@ -102,8 +102,8 @@
     background-image: none;
     background-color: alpha(#fff, 0.15);
 
-    text-shadow: 1 1 black;
-    icon-shadow: 1 1 black;
+    text-shadow: 1px 1px black;
+    icon-shadow: 1px 1px black;
 }
 
 .osd .toolbar .favorite {