flambda-backend: Stdlib build fixes

Author: mshinwell

stdlib/StdlibModules

@@ -98,7 +98,7 @@ STDLIB_MODULE_BASENAMES = \
   stdLabels \
   in_channel \
   out_channel \
-  camlinternalComprehensions
+  camlinternalComprehension
 
 STDLIB_PREFIXED_MODULES = \
   $(filter-out stdlib camlinternal%, $(STDLIB_MODULE_BASENAMES))

stdlib/in_channel.mli

@@ -13,6 +13,8 @@
 (*                                                                        *)
 (**************************************************************************)
 
+open! Stdlib
+
 (** Input channels.
 
     This module provides functions for working with input channels.

stdlib/type.ml

@@ -13,6 +13,8 @@
 (*                                                                        *)
 (**************************************************************************)
 
+open! Stdlib
+
 (* Type equality witness *)
 
 type (_, _) eq = Equal: ('a, 'a) eq