* dcrt0.cc (dll_crt0_1): Initialize wincap and check for sanity before running

global ctors.
* wincap.h (wincap): Eliminate constructor.  Default is to zero memory, anyway.
* wincap.cc (wincap): Copy this on fork to avoid initialization in forked
processes.

winsup/cygwin/dcrt0.cc

@@ -555,12 +555,12 @@ dll_crt0_1 ()
   /* Initialize SIGSEGV handling, etc. */
   init_exceptions (&cygwin_except_entry);
 
-  do_global_ctors (&__CTOR_LIST__, 1);
-
   /* Set the os_being_run global. */
   wincap.init ();
   check_sanity_and_sync (user_data);
 
+  do_global_ctors (&__CTOR_LIST__, 1);
+
   /* Nasty static stuff needed by newlib -- point to a local copy of
      the reent stuff.
      Note: this MUST be done here (before the forkee code) as the