no trailing whitespace in case

bobzhang · bobzhang · commit 18bce151f408 · 2019-08-28T13:22:51.000+08:00
diff --git a/jscomp/core/js_dump.ml b/jscomp/core/js_dump.ml
@@ -508,7 +508,6 @@ and pp_one_case_clause : 'a .
               pp_cond  f switch_case; (* could be integer or string *)
               P.space f ;
               P.string f L.colon  );
-          P.space f;
           P.group f 1 (fun _ ->
               let cxt =
                 match switch_body with
