Fix whitespace.

Author: graydon

src/libsyntax/parse/parser.rs

@@ -1855,7 +1855,7 @@ struct parser {
                       node: expr_lit(@{node: lit_str(_), span: _}), _
                   }) => {
                       let vst = @{id: self.get_id(), callee_id: self.get_id(),
-                                  node: expr_vstore(e, 
+                                  node: expr_vstore(e,
                                           vstore_slice(self.region_from_name(None))),
                                   span: mk_sp(lo, hi)};
                       pat_lit(vst)