$NetBSD$

Fix build under NetBSD.

--- fuse-ext2/fuse-ext2.probe.c.orig	2009-11-03 13:50:57.000000000 +0000
+++ fuse-ext2/fuse-ext2.probe.c	2011-07-09 14:05:33.000000000 +0100
@@ -35,6 +35,13 @@
 "%s\n"
 "\n";
 
+#ifdef __NetBSD__
+static int fuse_version (void)
+{
+	return FUSE_VERSION;
+}
+#endif
+
 static void usage (void)
 {
 	printf(usage_msg, PACKAGE, VERSION, fuse_version(), PACKAGE, HOME);
