$NetBSD: patch-cf,v 1.3 2013/04/21 15:39:59 joerg Exp $

- use standard headers
- don't declare own errno

--- src/filelock.c.orig	1994-11-11 00:35:51.000000000 +0000
+++ src/filelock.c
@@ -19,6 +19,7 @@ the Free Software Foundation, 675 Mass A
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <stdlib.h>
 #include <config.h>
 
 #ifdef VMS
@@ -56,11 +57,11 @@ extern DIR *opendir ();
 #endif /* not SYSV_SYSTEM_DIR */
 #endif /* not MCPATH */
 
-extern int errno;
-
 extern char *egetenv ();
 extern char *strcpy ();
 
+static void lock_superlock(char *lfname);
+
 #ifdef DECLARE_GETPWUID_WITH_UID_T
 extern struct passwd *getpwuid (uid_t);
 #else
@@ -341,8 +342,7 @@ unlock_file (fn)
   unlink (superlock_path);
 }
 
-lock_superlock (lfname)
-     char *lfname;
+static void lock_superlock(char *lfname)
 {
   register int i, fd;
   DIR *lockdir;