libcamera: include: Include missing stdint.h header

Many libcamera headers that use standard C integer types do not include
stdint.h. Fix the omission.

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

include/libcamera/internal/ipa_data_serializer.h

@@ -7,6 +7,7 @@
 
 #pragma once
 
+#include <stdint.h>
 #include <string.h>
 #include <tuple>
 #include <type_traits>