Tidy up 'export meta' situation now that snapshot understands it.

src/comp/rustc.rc

 
 // -*- rust -*-
 
-meta (name = "rustc",
-      desc = "The Rust compiler",
-      uuid = "0ce89b41-2f92-459e-bbc1-8f5fe32f16cf",
-      url = "http://rust-lang.org/src/rustc",
-      ver = "0.0.1");
+meta export (name = "rustc",
+             uuid = "0ce89b41-2f92-459e-bbc1-8f5fe32f16cf",
+             url = "http://rust-lang.org/src/rustc",
+             ver = "0.1");
+
+meta (desc = "The Rust compiler",
+      license = "BSD");
+
 
 use std;
 

src/lib/std.rc

-meta (name = "std",
-      vers = "0.1",
-      uuid = "122bed0b-c19b-4b82-b0b7-7ae8aead7297",
-      url = "http://rust-lang.org/src/std");
+meta export (name = "std",
+             vers = "0.1",
+             uuid = "122bed0b-c19b-4b82-b0b7-7ae8aead7297",
+             url = "http://rust-lang.org/src/std");
 
 meta (comment = "Rust standard library",
       license = "BSD");