[nautilus] css: fix deprecation warnings for new GTK+

[Cosimo Cecchi <cosimoc src gnome org>]

commit 1ef3493fe7449509139f5966b1b73b67dcc788de
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Jan 4 10:25:59 2016 -0800

    css: fix deprecation warnings for new GTK+

 src/resources/css/Adwaita.css |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/resources/css/Adwaita.css b/src/resources/css/Adwaita.css
index 4abe735..aba4a22 100644
--- a/src/resources/css/Adwaita.css
+++ b/src/resources/css/Adwaita.css
@@ -26,7 +26,7 @@
 }
 
 .nautilus-desktop.nautilus-canvas-item:active,
-.nautilus-desktop.nautilus-canvas-item:prelight,
+.nautilus-desktop.nautilus-canvas-item:hover,
 .nautilus-desktop.nautilus-canvas-item:selected {
     text-shadow: none;
 }
@@ -37,7 +37,7 @@
 
 .nautilus-circular-button {
   border-radius: 20px;
-  outline-radius: 20px;
+  -gtk-outline-radius: 20px;
 }
 
 /* Toolbar */