[gtk+] Adwaita: stricter selector for split headerbar separator

[Lapo Calamandrei <lapo src gnome org>]

commit 9f606b827092e2edd887686507cd6e4bb368bb07
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Fri Feb 26 13:15:37 2016 +0100

    Adwaita: stricter selector for split headerbar separator
    
    with a descendant select was erroneusly catching normal headerbar
    separators in paned split headerabar case, see gedit. Using a child
    selector fixes.

 gtk/theme/Adwaita/_common.scss           |    2 +-
 gtk/theme/Adwaita/gtk-contained-dark.css |    2 +-
 gtk/theme/Adwaita/gtk-contained.css      |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 2942672..162508c 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -1365,7 +1365,7 @@ headerbar {
     box-shadow: none;
   }
 
-  separator { background-color: $borders_color; }
+  > separator { background-color: $borders_color; }
 
   @extend %titlebar;
 }
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 62094f6..8df37ad 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -1766,7 +1766,7 @@ window.csd > .titlebar:not(headerbar) {
   border-style: none;
   border-color: transparent;
   box-shadow: none; }
-.titlebar:not(headerbar) separator {
+.titlebar:not(headerbar) > separator {
   background-color: #1c1f1f; }
 
 /************
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 4544b3a..887248c 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -1770,7 +1770,7 @@ window.csd > .titlebar:not(headerbar) {
   border-style: none;
   border-color: transparent;
   box-shadow: none; }
-.titlebar:not(headerbar) separator {
+.titlebar:not(headerbar) > separator {
   background-color: #9d9d99; }
 
 /************