std: update rand-using tests, r=burningtree

Author: graydon

src/libstd/bitv.rs

@@ -1425,8 +1425,8 @@ mod tests {
     }
 
     fn rng() -> rand::Rng {
-        let seed = ~[1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
-        rand::seeded_rng(&seed)
+        let seed = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
+        rand::seeded_rng(seed)
     }
 
     #[bench]

src/libstd/treemap.rs

@@ -838,7 +838,7 @@ mod test_treemap {
         check_equal(ctrl, &map);
         assert map.find(&5).is_none();
 
-        let rng = rand::seeded_rng(&~[42]);
+        let rng = rand::seeded_rng(&[42]);
 
         for 3.times {
             for 90.times {