libfuzzer: Rename std to extra.

Author: pcwalton

src/libfuzzer/ast_match.rs

@@ -10,7 +10,6 @@
 
 use core::prelude::*;
 
-use std;
 use vec;
 
 fn vec_equal<T>(v: ~[T],

src/libfuzzer/cycles.rs

@@ -10,8 +10,8 @@
 
 use core::prelude::*;
 
-use std;
-use std::rand;
+use extra;
+use extra::rand;
 use uint::range;
 
 // random uint less than n

src/libfuzzer/fuzzer.rc

@@ -23,7 +23,7 @@
 #[no_std];
 
 extern mod core(name = "std", vers = "0.7-pre");
-extern mod std(name = "extra", vers = "0.7-pre");
+extern mod extra(name = "extra", vers = "0.7-pre");
 
 extern mod syntax(vers = "0.7-pre");
 

src/libfuzzer/rand_util.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 use core::prelude::*;
-use std::rand;
+use extra::rand;
 
 // random uint less than n
 fn under(r : rand::rng, n : uint) -> uint {