2011-05-23 Ivan Maidanski <ivmai@mail.ru>

2011-05-23  Ivan Maidanski  <ivmai@mail.ru>

	* mark.c (GC_dirty): Add prototype (only if MANUAL_VDB).
	* stubborn.c (GC_dirty): Ditto.
	* include/private/gcconfig.h (GWW_VDB, MPROTECT_VDB, PCR_VDB,
        PROC_VDB): Undefine if MANUAL_VDB.
	* include/private/gcconfig.h (DEFAULT_VDB): Don't define if
	MANUAL_VDB.
	* os_dep.c (async_set_pht_entry_from_index): Define for
	MANUAL_VDB.
	* os_dep.c (GC_read_dirty): Set GC_dirty_maintained only if
	success; if ioctl() failed then just print warning instead of
	aborting.