Index: sys/compat/freebsd32/freebsd32_util.h
===================================================================
--- sys/compat/freebsd32/freebsd32_util.h	(revision 210481)
+++ sys/compat/freebsd32/freebsd32_util.h	(working copy)
@@ -34,6 +34,7 @@
 #include <sys/cdefs.h>
 #include <sys/exec.h>
 #include <sys/sysent.h>
+#include <sys/uio.h>
 
 #include <vm/vm.h>
 #include <vm/vm_param.h>
@@ -101,7 +102,6 @@
 	    struct iovec **iov, int error);
 void	freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32);
 
-enum uio_seg;
 struct image_args;
 int freebsd32_exec_copyin_args(struct image_args *args, char *fname,
 	    enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv);
Index: sys/sys/imgact.h
===================================================================
--- sys/sys/imgact.h	(revision 210481)
+++ sys/sys/imgact.h	(working copy)
@@ -32,6 +32,8 @@
 #ifndef _SYS_IMGACT_H_
 #define	_SYS_IMGACT_H_
 
+#include <sys/uio.h>
+
 #define MAXSHELLCMDLEN	PAGE_SIZE
 
 struct image_args {
@@ -73,7 +75,6 @@
 #ifdef _KERNEL
 struct sysentvec;
 struct thread;
-enum uio_seg;
 
 #define IMGACT_CORE_COMPRESS	0x01