$NetBSD: patch-password.c,v 1.2 2018/05/17 14:06:58 jperkin Exp $

Avoid "Missing sentinel in function call" warnings.

--- password.c.orig	2018-05-17 09:42:27.000000000 +0000
+++ password.c
@@ -73,7 +73,7 @@ static char *password_prompt_askpass(con
 		close(read_fds[1]);
 		close(write_fds[0]);
 		close(write_fds[1]);
-		execlp(askpass, "lpass-askpass", prompt, NULL);
+		execlp(askpass, "lpass-askpass", prompt, (char *)0);
 		_exit(76);
 	}
 	close(read_fds[1]);
@@ -273,7 +273,7 @@ char *password_prompt(const char *prompt
 		close(read_fds[1]);
 		close(write_fds[0]);
 		close(write_fds[1]);
-		execlp(pinentry, pinentry, NULL);
+		execlp(pinentry, pinentry, (char *)0);
 		_exit(76);
 	}
 	close(read_fds[1]);