trace-cmd: Set the default file version to 7

All new trace.dat files should be set to version 7 by default. This will
allow for its use to be more common as we should not expect the user to
set to the latest version.

Link: https://lore.kernel.org/linux-trace-devel/20220221181252.668433cf@rorschach.local.home

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