More attempts at fixing .. breakage.

src/libsyntax/print/pprust.rs

@@ -1037,7 +1037,6 @@ fn print_expr(s: ps, &&expr: @ast::expr) {
         commasep_cmnt(s, consistent, fields, print_field, get_span);
         match wth {
           some(expr) => {
-            if vec::len(fields) > 0u { space(s.s); }
             ibox(s, indent_unit);
             word(s.s, ~",");
             space(s.s);

src/test/pretty/record-trailing-comma.rs

@@ -3,6 +3,6 @@ type thing = {x: int, y: int,};
 
 fn main() {
     let sth = {x: 0, y: 1,};
-    let sth2 = {y: 9 ..sth};
+    let sth2 = {y: 9, ..sth};
     assert sth.x + sth2.y == 9;
 }