2011-04-10 Ivan Maidanski <ivmai@mail.ru>

2011-04-10  Ivan Maidanski  <ivmai@mail.ru>

	* gcj_mlc.c (GC_gcj_malloc_initialized): Use STATIC unless
	GC_ASSERTIONS.
	* include/private/gc_priv.h (GC_gcj_malloc_initialized): Don't
	declare (as external) unless GC_ASSERTIONS.
	* os_dep.c (GC_win32_free_heap): Clear GC_heap_bases[] also for
	Cygwin; add FIXME.
	* include/private/gcconfig.h: Include <sys/unistd.h> for RTEMS.
	* include/private/gcconfig.h: Add "#error" for every "-->" mark.
	* include/private/gcconfig.h (CLEAR_DOUBLE): Turn the code into
	an expression.
	* include/private/pthread_support.h (SUSPENDED_EXT): Add new flag
	(which existed previously as SUSPENDED and still exists in GCJ).
	* include/private/pthread_support.h (DISABLED_GC): Change the
	value (as it is already used by SUSPENDED_EXT).