v4l2: v4l2_compat: Include missing headers

The close() and ioctl() functions are declared in the unistd.h and
sys/ioctl.h headers. Include them to provide the declarations.

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

src/v4l2/v4l2_compat.cpp

@@ -11,9 +11,11 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
+#include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 #include <libcamera/base/utils.h>