2009-10-01 Ivan Maidanski <ivmai@mail.ru>

2009-10-01  Ivan Maidanski <ivmai@mail.ru>

	* gc_dlopen.c (GC_dlopen): Add function redirector (only if
	GC_USE_LD_WRAP).
	* include/gc.h: Include "gc_pthread_redirects.h" even if
	GC_USE_LD_WRAP or GC_NO_THREAD_REDIRECTS.
	* include/gc_pthread_redirects.h (GC_PTHREAD_REDIRECTS_H): Don't
	define and check for (since included only from gc.h).
	* include/gc_pthread_redirects.h: Declare "GC_" symbols even if
	GC_USE_LD_WRAP or GC_NO_THREAD_REDIRECTS.
	* include/gc_pthread_redirects.h: Include signal.h only to get
	sigset_t definition.