libcamera: Rename wrong header guards for internal includes

Some internals includes that used to be public still have the public
header guard. Rename it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

include/libcamera/internal/event_dispatcher.h

@@ -4,8 +4,8 @@
  *
  * event_dispatcher.h - Event dispatcher
  */
-#ifndef __LIBCAMERA_EVENT_DISPATCHER_H__
-#define __LIBCAMERA_EVENT_DISPATCHER_H__
+#ifndef __LIBCAMERA_INTERNAL_EVENT_DISPATCHER_H__
+#define __LIBCAMERA_INTERNAL_EVENT_DISPATCHER_H__
 
 #include <vector>
 
@@ -32,4 +32,4 @@ public:
 
 } /* namespace libcamera */
 
-#endif /* __LIBCAMERA_EVENT_DISPATCHER_H__ */
+#endif /* __LIBCAMERA_INTERNAL_EVENT_DISPATCHER_H__ */

include/libcamera/internal/event_notifier.h

@@ -4,8 +4,8 @@
  *
  * event_notifier.h - File descriptor event notifier
  */
-#ifndef __LIBCAMERA_EVENT_NOTIFIER_H__
-#define __LIBCAMERA_EVENT_NOTIFIER_H__
+#ifndef __LIBCAMERA_INTERNAL_EVENT_NOTIFIER_H__
+#define __LIBCAMERA_INTERNAL_EVENT_NOTIFIER_H__
 
 #include <libcamera/object.h>
 #include <libcamera/signal.h>
@@ -45,4 +45,4 @@ private:
 
 } /* namespace libcamera */
 
-#endif /* __LIBCAMERA_EVENT_NOTIFIER_H__ */
+#endif /* __LIBCAMERA_INTERNAL_EVENT_NOTIFIER_H__ */

include/libcamera/internal/timer.h

@@ -4,8 +4,8 @@
  *
  * timer.h - Generic timer
  */
-#ifndef __LIBCAMERA_TIMER_H__
-#define __LIBCAMERA_TIMER_H__
+#ifndef __LIBCAMERA_INTERNAL_TIMER_H__
+#define __LIBCAMERA_INTERNAL_TIMER_H__
 
 #include <chrono>
 #include <stdint.h>
@@ -46,4 +46,4 @@ private:
 
 } /* namespace libcamera */
 
-#endif /* __LIBCAMERA_TIMER_H__ */
+#endif /* __LIBCAMERA_INTERNAL_TIMER_H__ */