added separator above navigation bar

indra/newview/skins/default/textures/textures.xml

@@ -769,5 +769,5 @@ with the same filename but different name
   <texture name="Yellow_Gradient" file_name="windows/yellow_gradient.png"/>
   <texture name="Popup_Caution" file_name="icons/pop_up_caution.png"/>
   <texture name="Camera_Drag_Dot" file_name="world/CameraDragDot.png"/>
-
+  <texture name="NavBar Separator" file_name="navbar/separator.png"/>
 </textures>

indra/newview/skins/default/xui/en/panel_navigation_bar.xml

@@ -43,6 +43,16 @@
 	 top="0"
 	 height="34"
 	 width="600"/>
+  <icon
+    follows="all"
+    image_name="NavBar Separator"
+    mouse_opaque="false"
+    name="separator_image"
+    scale_image="true"
+    left="0"
+    top="0"
+    width="800"
+    height="2"/>
 	 <layout_stack
        use_border="true"
        bevel_style="none"