libtraceevent: Update gitignore

Update the .gitignore file with the following items:

For quilt:
  .pc
  patches

Editors:
 .#*

Generated:
 libtraceevent.pc
 lib/

Generated in utest:
 trace-utest

Link: https://lore.kernel.org/linux-trace-devel/20221208191514.47b40ca1@gandalf.local.home

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