Fix formatting in ravenscar-thread.c

This fixes some incorrect formatting in ravenscar-thread.c.

gdb/ChangeLog
2019-02-15  Tom Tromey  <tromey@adacore.com>

	* ravenscar-thread.c (ravenscar_runtime_initializer)
	(has_ravenscar_runtime, get_running_thread_id)
	(ravenscar_thread_target::resume): Fix indentation.
2 files changed