Fix long line in test

Author: marijnh

src/test/run-pass/issue-2185.rs

@@ -2,8 +2,9 @@ import iter::*;
 
 fn main() {
     let range = bind uint::range(0u, 1000u, _);
-    let filt  = bind iter::filter(range, {|&&n: uint| n % 3u != 0u && n % 5u != 0u }, _);
-    let sum   = iter::foldl(filt, 0u) {|accum, &&n: uint| accum + n };
+    let filt = bind iter::filter(range, {|&&n: uint|
+        n % 3u != 0u && n % 5u != 0u }, _);
+    let sum = iter::foldl(filt, 0u) {|accum, &&n: uint| accum + n };
 
     io::println(#fmt("%u", sum));
 }