Bump version to 5.0d6. Update appcast.

Appcasts/netnewswire-beta.xml

@@ -6,6 +6,19 @@
         <description>Most recent NetNewsWire changes with links to updates.</description>
         <language>en</language>
 
+	<item>
+          <title>NetNewsWire 5.0d6</title>
+            <description><![CDATA[
+            
+            <p>Supports Mojave dark mode in the detail view, which should complete dark mode support.</p>
+            <p>Sidebar: feed and folder names can be edited inline.</p>
+
+    						]]></description>
+            <pubDate>Mon, 10 Sep 2018 13:15:00 -0800</pubDate>
+            <enclosure url="https://ranchero.com/downloads/NetNewsWire5.0d6.zip" sparkle:version="1272" sparkle:shortVersionString="5.0d6" length="7805208" type="application/zip" />
+            <sparkle:minimumSystemVersion>10.13</sparkle:minimumSystemVersion>
+        </item>
+
 	<item>
           <title>NetNewsWire 5.0d5</title>
             <description><![CDATA[

NetNewsWire/Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.0d5</string>
+	<string>5.0d6</string>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>

NetNewsWire/MainWindow/Timeline/Cell/UnreadIndicatorView.swift

@@ -38,7 +38,7 @@ class UnreadIndicatorView: NSView {
     override func draw(_ dirtyRect: NSRect) {
 
 		if #available(OSX 10.14, *) {
-			let color = isEmphasized && isSelected ? NSColor.white : NSColor.controlAccentColor
+			let color = isEmphasized && isSelected ? NSColor.white : NSColor.controlAccent
 			color.setFill()
 		} else {
 			let color = isEmphasized && isSelected ? NSColor.white : NSColor.systemBlue