gdb/

gdb/
	Code cleanup.
	* common/linux-osdata.c (linux_common_core_of_thread): New function
	comment.
	* linux-nat.c (linux_nat_wait_1): Replace linux_nat_core_of_thread_1
	call by linux_common_core_of_thread.
	(linux_nat_core_of_thread_1): Remove.
	* linux-nat.h (linux_nat_core_of_thread_1): Remove declaration.
	* linux-thread-db.c: Include linux-osdata.h.
	(update_thread_core): Replace linux_nat_core_of_thread_1 call by
	linux_common_core_of_thread.