hostfs: dumb (and usually harmless) tpyo - strncpy instead of strlcpy

... not harmless in this case - we have a string in the end of buffer
already.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index dd1e555..77c4f6e 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -104,7 +104,7 @@
 		__putname(name);
 		return NULL;
 	}
-	strncpy(name, root, PATH_MAX);
+	strlcpy(name, root, PATH_MAX);
 	if (len > p - name) {
 		__putname(name);
 		return NULL;