Merge pull request #26 from metajack/rustup-20141105

Fix compiler warnings from new Rust

src/xlib.rs

@@ -7,7 +7,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![allow(non_uppercase_statics)]
+#![allow(non_upper_case_globals)]
 #![allow(non_camel_case_types)]
 
 use libc::*;