Log Message:
Update ruby18-imlib2 package to 0.5.1 applying patch
provided with PR pkg/30372.

* Sun May 29 03:12:41 2005, pabs <pabs@pablotron.org>
  * imlib2.c: apply patch from OBATA Akio <obata@lins.jp> to fix
	      im_struct memory leak (Fixes: [10])
  * imlib2.c: add filename to exception description (Fixes: [11])

* Sun May 29 18:02:37 2005, pabs <pabs@pablotron.org>
  * imlib2.c: add Imlib2::Image#delete! (Fixes: [12])

* Sun May 29 18:23:41 2005, pabs <pabs@pablotron.org>
  * imlib2.c: increment version to 0.5.1
  * imlib2.gemspec: ditto
  * README: ditto
  * AUTHORS: updates

* Sun May 29 18:35:45 2005, pabs <pabs@pablotron.org>
  * README: added "Reporting Bugs" section

* Sun May 29 18:37:51 2005, pabs <pabs@pablotron.org>
  * releasing 0.5.1