Fix a couple of build warnings

Author: fabricedesre

src/libunicode/tables.rs

@@ -10,7 +10,7 @@
 
 // NOTE: The following code was generated by "src/etc/unicode.py", do not edit directly
 
-#![allow(missing_doc, non_uppercase_statics, non_snake_case)]
+#![allow(missing_docs, non_uppercase_globals, non_snake_case)]
 
 /// The version of [Unicode](http://www.unicode.org/)
 /// that the `UnicodeChar` and `UnicodeStrSlice` traits are based on.