Log Message:
Update ruby-kgio to 2.9.2.

=== kgio 2.9.2 - avoid deprecated/removed function / 2014-02-15 09:27 UTC

  This release is for compatibility with future releases of mainline ruby,
  as rb_thread_blocking_region is removed in r44955 of ruby trunk
  This also avoids deprecation warnings fo rb_thread_blocking_region
  2.0 and 2.1.

=== kgio 2.9.1 - various Ruby 1.8.7 fixes / 2014-02-05 17:50 UTC

  Thanks to Christopher Rigor for this release.

  Eric Wong (2):
        only define and test kgio_syssend on 1.9+
        various 1.8.7 fixes

=== kgio 2.9.0 - cleanups, bug fixes, minor improvements / 2014-02-04 03:09 UTC

  This adds a new kgio_syssend method for Ruby 1.9+ which behaves
  like BasicSocket#send, but will not raise exceptions on EAGAIN.

  Eric Wong (12):
        test_poll: remove race prone test_poll_EINTR_changed test
        tryopen: remove RARRAY_PTR usage in init
        read_write: remove the rest of RARRAY_PTR usage
        my_writev: stylistic fixes
        Rakefile: kill raa_update task
        avoid downsizing casts
        connect: constify RSTRING-related things
        set RSTRING_MODIFIED where appropriate for Rubinius
        split read_write.c into {read,write,writev}.c
        add kgio_syssend method to wrap send(2)
        write: correct check for various blocking regions
        tryopen: additional debug information for bad Errno values

  Hleb Valoshka (1):
        Don't use deprecated api