spruce: fix variable definition order with navbarBackground and navbarBackgroundHighlight

diff --git a/spruce/variables.less b/spruce/variables.less
index cdd3923..acdbd1d 100755 (executable)
--- a/spruce/variables.less
+++ b/spruce/variables.less
@@ -181,7 +181,7 @@
 @navbarCollapseDesktopWidth:      @navbarCollapseWidth + 1;
 
 @navbarHeight:                    55px;
-@navbarBackgroundHighlight:       @navbarBackground;
+@navbarBackgroundHighlight:       @blueDark;
 @navbarBackground:                @blueDark;
 @navbarBorder:                    darken(@navbarBackground, 5%);