libtracefs: Fix typo in function name

Link: https://lore.kernel.org/linux-trace-devel/20210608135503.12135-3-y.karadz@gmail.com

Fixes: 5c013e7 (libtracefs: New APIs for trace options)
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2 files changed