Fixing missing guards

Author: PapeCoding

Src/Common/AppSettingsData.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include "AppSettingsHeader.h"
 #include "../DasherCore/Parameters.h"
 

Src/Common/OpenGLScreen.h

@@ -5,6 +5,9 @@
 //  Created by Alan Lawrence on 20/03/2009.
 //  Copyright 2009 Cavendish Laboratory. All rights reserved.
 //
+
+#pragma once
+
 #if TARGET_OS_IPHONE
 #import <OpenGLES/ES1/gl.h>
 #else

Src/Common/SBTree.h

@@ -7,6 +7,8 @@
  *
  */
 
+ #pragma once
+
 class SBTree {
 public:
     SBTree(int iValue);

Src/Common/Unicode/ConvertUTF.h

@@ -20,6 +20,8 @@
  * remains attached.
  */
 
+#pragma once
+
 /* ---------------------------------------------------------------------
 
     Conversions between UTF32, UTF-16, and UTF-8.  Header file.

Src/Common/round.h

@@ -1,3 +1,5 @@
+#pragma once
+
 extern "C" {
 double round(double);
 }