Reexport syntax_pos in codemap and fix some cfail tests

Author: Jonathan Turner

src/libsyntax/codemap.rs

@@ -26,7 +26,7 @@ use std::rc::Rc;
 use std::env;
 use std::fs;
 use std::io::{self, Read};
-use syntax_pos::*;
+pub use syntax_pos::*;
 use errors::CodeMapper;
 
 use ast::Name;

src/test/compile-fail-fulldeps/auxiliary/macro_crate_test.rs

@@ -13,6 +13,7 @@
 #![feature(plugin_registrar, quote, rustc_private)]
 
 extern crate syntax;
+extern crate syntax_pos;
 extern crate rustc;
 extern crate rustc_plugin;
 

src/test/compile-fail-fulldeps/qquote.rs

@@ -13,6 +13,7 @@
 #![feature(quote, rustc_private)]
 
 extern crate syntax;
+extern crate syntax_pos;
 
 use syntax::ast;
 use syntax::parse;