$NetBSD: patch-configure.ac,v 1.3 2016/06/01 11:47:06 wiz Exp $

Add sys/statvfs for NetBSD.

--- configure.ac.orig	2016-02-02 07:40:06.000000000 +0000
+++ configure.ac
@@ -338,6 +338,7 @@ AC_CHECK_HEADERS([ \
 	sys/ndir.h \
 	sys/pstat.h \
 	sys/statfs.h \
+	sys/statvfs.h \
 	sys/time.h \
 	sys/un.h \
 	time.h \
@@ -701,6 +702,7 @@ AC_CHECK_FUNCS([ \
 	setreuid \
 	setsid \
 	sigaction \
+	snprintf \
 	socketpair \
 	strdup \
 	strerror \