2011-07-05 Ivan Maidanski <ivmai@mail.ru>

2011-07-05  Ivan Maidanski <ivmai@mail.ru>

	* dyn_load.c (GC_register_dynamic_libraries): Remove duplicate
	call of GC_FirstDLOpenedLinkMap (twice).
	* dyn_load.c (GC_register_main_static_data): Add comment.
	* cord/cordbscs.c (CORD_riter): Check for empty string passed (do
	not call CORD_riter4 if CORD_len() returned zero).
	* cord/cordbscs.c (CORD_init_min_len): Replace the K&R-style
	function definition with the ANSI C one.
	* cord/cordbscs.c: Expand all tabs to spaces; remove
	trailing spaces at EOLn.
	* tests/threadkey_test.c (on_thread_exit_inner): Check
	GC_pthread_create() result.