trace-cmd: Use pr_stat for version output

This allows tools linking against the trace-cmd libraries to supress this output
if it is not necessary for them.

Link: http://lkml.kernel.org/r/1411757220-29334-1-git-send-email-jbacik@fb.com

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
1 file changed