Index: head/usr.bin/mkimg/image.h
===================================================================
--- head/usr.bin/mkimg/image.h
+++ head/usr.bin/mkimg/image.h
@@ -29,6 +29,8 @@
 #ifndef _MKIMG_IMAGE_H_
 #define	_MKIMG_IMAGE_H_
 
+#include <stdint.h>
+
 typedef int64_t lba_t;
 
 int image_copyin(lba_t blk, int fd, uint64_t *sizep);