trace-cmd utest: Add PATH_MAX if it is not already defined In some setups PATH_MAX may not be defined (it is usually defined in linux/limits.h), but we just use PATH_MAX as something to hold the paths to the tracing files. In that case, just define it to 1024 if it's not already defined. Link: https://lore.kernel.org/linux-trace-devel/[email protected]/ Link: https://lore.kernel.org/linux-trace-devel/[email protected] Reported-by: Miko Larsson <[email protected]> Signed-off-by: Steven Rostedt (Google) <[email protected]>