[gnome-software] css: Don't use deprecated pseudo classes

[Matthias Clasen <matthiasc src gnome org>]

commit d35a51c08e49ea825147fe53ef3a3c6ba4f083ea
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 6 12:52:07 2016 +0100

    css: Don't use deprecated pseudo classes
    
    Remove the last use of :insensitive from gtk-style.css.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=761628

 src/gtk-style.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gtk-style.css b/src/gtk-style.css
index 58eb399..4d48a57 100644
--- a/src/gtk-style.css
+++ b/src/gtk-style.css
@@ -34,7 +34,7 @@
 }
 
 /* should be :disabled but we need to support older versions of GTK */
-.kudo-pill:insensitive {
+.kudo-pill:disabled {
        background-color: shade(@theme_bg_color, 0.8);
 }