libcamera: Fix header grouping

The libcamera coding style groups the C and C++ standard library headers
in a single group. Fix the few offenders in the source tree.

While at it, add a missing blank line between header groups in a
separate location.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>

include/libcamera/base/file.h

@@ -7,11 +7,10 @@
 
 #pragma once
 
-#include <stdint.h>
-#include <sys/types.h>
-
 #include <map>
+#include <stdint.h>
 #include <string>
+#include <sys/types.h>
 
 #include <libcamera/base/private.h>
 

include/libcamera/ipa/ipa_interface.h

@@ -7,10 +7,9 @@
 
 #pragma once
 
+#include <map>
 #include <stddef.h>
 #include <stdint.h>
-
-#include <map>
 #include <vector>
 
 #include <libcamera/base/flags.h>