2009-09-27 Ivan Maidanski <ivmai@mail.ru>

2009-09-27  Ivan Maidanski <ivmai@mail.ru>

	* include/private/gc_locks.h (GC_allocate_ml, GC_lock_holder,
	GC_collecting, GC_mark_lock_holder, GC_need_to_lock): Use "extern"
	(for the global variable declaration) again.
	* include/private/gc_pmark.h (GC_n_mark_procs, GC_mark_stack_size,
	GC_mark_stack_limit, GC_mark_stack_top, GC_mark_stack,
	GC_mark_stack_too_small, GC_mark_state): Ditto.
	* include/private/gcconfig.h (GC_register_stackbottom): Ditto.
	* include/private/pthread_support.h (GC_threads,
	GC_thr_initialized, GC_in_thread_creation): Ditto.
	* include/private/gc_priv.h: Ditto (for all global variables).