qcam: Convert to pragma once

Remove the verbose #ifndef/#define/#endif pattern for maintaining
header idempotency, and replace it with a simple #pragma once.

This simplifies the headers, and prevents redundant changes when
header files get moved.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/src/qcam/message_handler.h b/src/qcam/message_handler.h
index 4534db9d..56294d37 100644
--- a/src/qcam/message_handler.h
+++ b/src/qcam/message_handler.h
@@ -4,8 +4,8 @@
  *
  * message_handler.cpp - qcam - Log message handling
  */
-#ifndef __QCAM_MESSAGE_HANDLER_H__
-#define __QCAM_MESSAGE_HANDLER_H__
+
+#pragma once
 
 #include <QtGlobal>
 
@@ -22,5 +22,3 @@ private:
 	static QtMessageHandler handler_;
 	static bool verbose_;
 };
-
-#endif /* __QCAM_MESSAGE_HANDLER_H__ */