* environ.cc (set_file_api_mode): New function. Move setting

of file APIs mode (OEM/ANSI) here.
(codepage_init): From here.
* winsup.h (set_file_api_mode): Declare it.
* fork.cc (fork_child): Set file APIs mode in forkee.

winsup/cygwin/fork.cc

@@ -271,6 +271,8 @@ fork_child (HANDLE& hParent, dll *&first_dll, bool& load_dlls)
       ((DWORD *)child_proc_info->stackbottom)[-15] = (DWORD)0;
     }
 
+  set_file_api_mode (current_codepage);
+
   MALLOC_CHECK;
 
   pinfo_fixup_after_fork ();