libtraceevent utest: Include libgen.h for basename() with musl

This fixes the build with musl + clang >=15; musl doesn't define
basename() anywhere else, and clang >=15 doesn't allow implicit
declarations.

Link: https://lore.kernel.org/linux-trace-devel/20240222-utest-fixes-v2-1-7b8ee8dca0b7@gmail.com

Fixes: 58cbc1b2a84e ("libtraceevent: Add unit test framework for library commands")
Signed-off-by: Miko Larsson <mikoxyzzz@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
1 file changed