$OpenBSD: patch-util_epist_screen_cc,v 1.1 2002/12/29 09:34:48 pvalchev Exp $
--- util/epist/screen.cc.orig	Sun Dec 29 01:17:45 2002
+++ util/epist/screen.cc	Sun Dec 29 01:17:51 2002
@@ -581,7 +581,7 @@ void screen::execCommand(const string &c
       cout << "warning: couldn't set environment variable 'DISPLAY'\n";
       perror("putenv()");
     }
-    execl("/bin/sh", "sh", "-c", cmd.c_str(), NULL);
+    execl("/bin/sh", "sh", "-c", cmd.c_str(), (void *)NULL);
     exit(-1);
   } else if (pid == -1) {
     cout << _epist->getApplicationName() <<
