[gnome-software/gnome-3-26] style: Fix a copy-paste typo for "unknown" license button hover

[Kalev Lember <klember src gnome org>]

commit 53f1f09d2ba9ac9943aa6d10c29d98e445ee169d
Author: Kalev Lember <klember redhat com>
Date:   Mon Jan 8 11:18:09 2018 +0100

    style: Fix a copy-paste typo for "unknown" license button hover
    
    Instead of overriding hover for "unknown" license, we were setting hover
    for "nonfree" license twice.
    
    Pointed out by Mohammed Sadiq <sadiq sadiqpk org>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=792264

 src/gtk-style.css |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/gtk-style.css b/src/gtk-style.css
index 1373961..a144693 100644
--- a/src/gtk-style.css
+++ b/src/gtk-style.css
@@ -122,11 +122,11 @@
        background-color: #dbdbdb;
        border-color: #bbbbbb;
 }
-.details-license-nonfree:hover {
+.details-license-unknown:hover {
        background-color: #eeeeee;
        border-color: #d5d5d5;
 }
-.details-license-nonfree:backdrop {
+.details-license-unknown:backdrop {
        border-color: #dbdbdb;
 }