add patch to fix blackbox mode

mail/imap-uw/patches/patch-src_osdep_unix_env_unix.c

@@ -1,7 +1,22 @@
-$OpenBSD: patch-src_osdep_unix_env_unix.c,v 1.1 2001/09/24 22:01:49 jakob Exp $
+$OpenBSD: patch-src_osdep_unix_env_unix.c,v 1.2 2002/07/09 19:34:17 jakob Exp $
 
 --- src/osdep/unix/env_unix.c.orig	Thu Dec 21 01:12:13 2000
 +++ src/osdep/unix/env_unix.c	Thu Jan 18 16:11:09 2001
+@@ -767,14 +767,12 @@
+ static char *mymailboxdir ()
+ {
+   char *home = myhomedir ();
+-  if (!myMailboxDir && home) {	/* initialize if first time */
+     if (mailsubdir) {
+       char tmp[MAILTMPLEN];
+       sprintf (tmp,"%s/%s",home,mailsubdir);
+       myMailboxDir = cpystr (tmp);/* use pre-defined subdirectory of home */
+     }
+     else myMailboxDir = cpystr (home);
+-  }
+   return myMailboxDir ? myMailboxDir : "";
+ }
+
 @@ -971,7 +971,8 @@ long dotlock_lock (char *file,DOTLOCK *b
        }
        close (pi[0]); close (pi[1]);
@@ -12,3 +27,4 @@ $OpenBSD: patch-src_osdep_unix_env_unix.c,v 1.1 2001/09/24 22:01:49 jakob Exp $
        sprintf (tmp,"Mailbox vulnerable - directory %.80s",base->lock);
        if (s = strrchr (tmp,'/')) *s = '\0';
        strcat (tmp," must have 1777 protection");
+