* dtable.cc (dtable::set_file_pointers_for_exec): New function.

* dtable.h (dtable::set_file_pointers_for_exec): Declare new function.
* spawn.cc (spawn_guts): Call dtable::set_file_pointers_for_exec to set
pointers to EOF when execing non-cygwin applications.

winsup/cygwin/spawn.cc

@@ -621,6 +621,7 @@ spawn_guts (const char * prog_arg, const char *const *argv,
 
   cygbench ("spawn-guts");
 
+  cygheap->fdtab.set_file_pointers_for_exec ();
   if (!cygheap->user.issetuid ())
     {
       PSECURITY_ATTRIBUTES sec_attribs = sec_user_nih (sa_buf);