Fix deque tests

Author: emberian

src/libextra/deque.rs

@@ -257,6 +257,7 @@ mod tests {
     use core::cmp::Eq;
     use core::kinds::Copy;
     use core::vec::capacity;
+    use core;
 
     #[test]
     fn test_simple() {
@@ -463,12 +464,12 @@ mod tests {
     #[test]
     fn test_iter() {
         let mut d = Deque::new();
-        for std::int::range(0,5) |i| {
+        for core::int::range(0,5) |i| {
             d.add_back(i);
         }
         assert_eq!(d.iter().collect::<~[&int]>(), ~[&0,&1,&2,&3,&4]);
 
-        for std::int::range(6,9) |i| {
+        for core::int::range(6,9) |i| {
             d.add_front(i);
         }
         assert_eq!(d.iter().collect::<~[&int]>(), ~[&8,&7,&6,&0,&1,&2,&3,&4]);
@@ -477,12 +478,12 @@ mod tests {
     #[test]
     fn test_rev_iter() {
         let mut d = Deque::new();
-        for std::int::range(0,5) |i| {
+        for core::int::range(0,5) |i| {
             d.add_back(i);
         }
         assert_eq!(d.rev_iter().collect::<~[&int]>(), ~[&4,&3,&2,&1,&0]);
 
-        for std::int::range(6,9) |i| {
+        for core::int::range(6,9) |i| {
             d.add_front(i);
         }
         assert_eq!(d.rev_iter().collect::<~[&int]>(), ~[&4,&3,&2,&1,&0,&6,&7,&8]);