upas/fs: accomodate new post9pservice
diff --git a/src/cmd/upas/fs/fs.c b/src/cmd/upas/fs/fs.c
index 728a95a..9fa433d 100644
--- a/src/cmd/upas/fs/fs.c
+++ b/src/cmd/upas/fs/fs.c
@@ -244,7 +244,7 @@
 		if(srvpost){
 			sprint(srvfile, "/srv/upasfs.%s", user);
 			/* post(srvfile, "upasfs", p[1]);  jpc */
-			post9pservice(p[1], "upasfs");   /* jpc */
+			post9pservice(p[1], "upasfs", nil);   /* jpc */
 		} else {
 			error("tried to mount, fixme");     /* jpc */
 			/* if(mount(p[1], -1, mntpt, MREPL, "") < 0)