. flex moved back into the base system, so prefix is /usr

. sysenv.c and umount.c need <minix/type.h> now

commands/simple/sysenv.c

@@ -2,6 +2,7 @@
  *								23 Dec 2000
  */
 #define nil ((void*)0)
+#include <minix/type.h>
 #include <sys/types.h>
 #include <sys/svrctl.h>
 #include <stdarg.h>

commands/simple/umount.c

@@ -3,6 +3,7 @@
 #define _MINIX 1		/* for proto of the non-POSIX umount() */
 #define _POSIX_SOURCE 1		/* for PATH_MAX from limits.h */
 
+#include <minix/type.h>
 #include <sys/types.h>
 #include <sys/svrctl.h>
 #include <fcntl.h>