Added #pragma once to extras header files

src/extras/Blinker.h

@@ -25,6 +25,6 @@
  *  
  ********************************************************************************/
 
+#pragma once
+
 #include "../src/extras/Blinker.h"
-
-

src/extras/Pixel.h

@@ -25,5 +25,6 @@
  *  
  ********************************************************************************/
  
-#include "../src/extras/Pixel.h"
+#pragma once
 
+#include "../src/extras/Pixel.h"

src/extras/PwmPin.h

@@ -24,6 +24,7 @@
  *  SOFTWARE.
  *  
  ********************************************************************************/
+
+#pragma once
  
 #include "../src/extras/PwmPin.h"
-

src/extras/RFControl.h

@@ -25,5 +25,6 @@
  *  
  ********************************************************************************/
 
+#pragma once
+
 #include "../src/extras/RFControl.h"
- 

src/extras/extras.ino

@@ -0,0 +1 @@
+// This is a placeholder .ino file that allows for editing of top-level "extras" header files.