Remove help links from tvOS version due to lack of browser and WebKit

Limelight/Utility/Utils.h

@@ -20,6 +20,7 @@ FOUNDATION_EXPORT NSString *const deviceName;
 + (NSString*) bytesToHex:(NSData*)data;
 + (NSData*) hexToBytes:(NSString*) hex;
 + (int) resolveHost:(NSString*)host;
++ (void) addHelpOptionToDialog:(UIAlertController*)dialog;
 
 @end
 

Limelight/Utility/Utils.m

@@ -73,6 +73,15 @@ NSString *const deviceName = @"roth";
     }
 }
 
++ (void) addHelpOptionToDialog:(UIAlertController*)dialog {
+#if !TARGET_OS_TV
+    // tvOS doesn't have a browser
+    [dialog addAction:[UIAlertAction actionWithTitle:@"Help" style:UIAlertActionStyleDefault handler:^(UIAlertAction* action){
+        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"https://github.com/moonlight-stream/moonlight-docs/wiki/Troubleshooting"]];
+    }]];
+#endif
+}
+
 @end
 
 @implementation NSString (NSStringWithTrim)