Index: files/patch-dialects-freebsd-dlsof.h
===================================================================
--- files/patch-dialects-freebsd-dlsof.h	(revision 511795)
+++ files/patch-dialects-freebsd-dlsof.h	(working copy)
@@ -1,8 +1,10 @@
 --- dialects/freebsd/dlsof.h.orig	2019-05-08 07:32:25 UTC
 +++ dialects/freebsd/dlsof.h
-@@ -45,6 +45,12 @@
+@@ -44,7 +44,14 @@
+ #include <setjmp.h>
  #include <signal.h>
  #include <unistd.h>
++#include <stddef.h>
  
 +#if    FREEBSDV>=13000
 +/* This header is a huge mess.  Please don't support EOL FreeBSD releases. */
@@ -13,7 +15,7 @@
  # if	FREEBSDV>=4000
  #  if	FREEBSDV>=5000
  #   if	FREEBSDV<6020
-@@ -104,6 +110,12 @@ typedef	struct device	*device_t;
+@@ -104,6 +111,12 @@ typedef	struct device	*device_t;
  
  
  #include <sys/conf.h>