libcamera: pipeline: Prevent variable shadowing

Remove variable shadowing within the pipeline handler implementations.

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

src/libcamera/pipeline/simple/simple.cpp

@@ -314,8 +314,8 @@ int SimpleCameraData::init()
 
 			config.outputSizes = converter->sizes(format.size);
 
-			for (PixelFormat format : converter->formats(pixelFormat))
-				formats_[format] = config;
+			for (PixelFormat fmt : converter->formats(pixelFormat))
+				formats_[fmt] = config;
 		}
 	}