Port the compiler to foo<T> decl syntax.

src/comp/driver/rustc.rs

@@ -110,7 +110,7 @@ fn parse_input_src(sess: session::session, cfg: &ast::crate_cfg,
     ret {crate: crate, src: src};
 }
 
-fn time[T](do_it: bool, what: str, thunk: fn() -> T ) -> T {
+fn time<T>(do_it: bool, what: str, thunk: fn() -> T ) -> T {
     if !do_it { ret thunk(); }
     let start = std::time::precise_time_s();
     let rv = thunk();