(post-review pre-push changes)
coding style (mostly trailing spaces removed)


mysql-test/r/events.result:
  fix result file
sql/event.cc:
  - remove trailing spaces
  - add a missing initializer (gcc warning)
  - C++ to C comments
sql/event_executor.cc:
  - fix coding style (C++ to C comments, remove trailing spaces)
  - fix wrong indexing buggie not found till now (queue indexing is 0 based,
    not 1 based)
sql/event_timed.cc:
  - fix coding style