libtracefs Documentation: Add tracefs_follow_events_clear() to main man page

The tracefs_follow_events_clear() and tracefs_follow_missed_events_clear()
man pages were missing from the main libtracefs man page.

Link: https://lore.kernel.org/linux-trace-devel/20240108225959.6ea4b2fb@gandalf.local.home

Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
1 file changed