$NetBSD: patch-al,v 1.1 2011/05/08 17:07:25 christos Exp $

--- pptpgre.c.orig	2011-05-08 13:02:05.000000000 -0400
+++ pptpgre.c	2011-05-08 13:01:57.000000000 -0400
@@ -136,7 +136,7 @@
 		 * network write failed.
 		 */
 		if ((status = read(fd, buffer, sizeof(buffer))) <= 0) {
-			syslog(LOG_ERR, "GRE: read(fd=%d,buffer=%lx,len=%d) from PTY failed: status = %d error = %s%s",
+			syslog(LOG_ERR, "GRE: read(fd=%d,buffer=%lx,len=%zu) from PTY failed: status = %d error = %s%s",
 			       fd, (unsigned long) buffer, sizeof(buffer), 
 			       status, status ? strerror(errno) : "No error", 
 			       errno != EIO ? "" : ", usually caused by unexpected termination of pppd, check option syntax and pppd logs");
@@ -344,7 +344,7 @@
 
 	dequeue_gre(cb, cl);
 	if ((status = read(fd, buffer, sizeof(buffer))) <= 0) {
-		syslog(LOG_ERR, "GRE: read(fd=%d,buffer=%lx,len=%d) from network failed: status = %d error = %s",
+		syslog(LOG_ERR, "GRE: read(fd=%d,buffer=%lx,len=%zu) from network failed: status = %d error = %s",
 		       fd, (unsigned long) buffer, sizeof(buffer), status, status ? strerror(errno) : "No error");
 		stats.rx_errors++;
 		return -1;