Upgrading libtool didn't fix bug #499

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403979

TODO

@@ -34,7 +34,6 @@
  * Add support for synchronizing 2D updates with vblank (bug #406)
  * Add support for real-time threads and/or adjusting thread priority?
  * Add support for querying the number of CPUs and binding threads to them?
- * Investigate upgrading libtool to fix bug #499
 
 Wish list for the 1.3 development branch:
 http://bugzilla.libsdl.org/