---
 environ.c |    1 +
 1 file changed, 1 insertion(+)

--- a/environ.c
+++ b/environ.c
@@ -54,6 +54,7 @@
  #include <utime.h>
  #include <sys/time.h>                  /* LIBC high-resolution timing */
  #include <sys/resource.h>              /* Priority control */
+ #include <sys/wait.h>
  #if defined(linux)
   #include <sys/ioctl.h>
   #include <sys/statfs.h>
