widl: Add the rest of the pointer types to write_type.
diff --git a/tools/widl/header.c b/tools/widl/header.c
index 1503d33..3a4cea9 100644
--- a/tools/widl/header.c
+++ b/tools/widl/header.c
@@ -253,7 +253,10 @@
         }
         else fprintf(h, "union %s", t->name);
         break;
+      case RPC_FC_RP:
+      case RPC_FC_UP:
       case RPC_FC_FP:
+      case RPC_FC_OP:
         if (t->ref) write_type(h, t->ref, NULL, t->name);
         fprintf(h, "*");
         break;