libcamera: Correct struct forward declarations

Several structures are forward-declarated as classes. Fix this by using
the struct keyword where appropriate, or removing the forward
declaration when not needed.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h
index b2dafda3..777b7e4d 100644
--- a/include/libcamera/camera.h
+++ b/include/libcamera/camera.h
@@ -21,9 +21,10 @@ class Buffer;
 class PipelineHandler;
 class Request;
 class Stream;
-class StreamConfiguration;
 class StreamUsage;
 
+struct StreamConfiguration;
+
 class CameraConfiguration
 {
 public: