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/viewfinder_gl.h b/src/qcam/viewfinder_gl.h
index 37b1ddd0..0a9275ba 100644
--- a/src/qcam/viewfinder_gl.h
+++ b/src/qcam/viewfinder_gl.h
@@ -5,8 +5,8 @@
  * viewfinder_GL.h - OpenGL Viewfinder for rendering by OpenGL shader
  *
  */
-#ifndef __VIEWFINDER_GL_H__
-#define __VIEWFINDER_GL_H__
+
+#pragma once
 
 #include <array>
 #include <memory>
@@ -103,5 +103,3 @@ private:
 
 	QMutex mutex_; /* Prevent concurrent access to image_ */
 };
-
-#endif /* __VIEWFINDER_GL_H__ */