Log Message:
Update libthai to 0.1.11.

LibThai 0.1.11 (6 April 2009):
* Diminished link flags in pkg-config info, for less dependency for clients.
* More words in word break dictionary.

LibThai 0.1.10 (30 March 2009):
* More dictionary capacity with libdatrie 0.2.
* Dictionary clean-up on unload.
* Some performance fine-tuning.
* More words in word break dictionary.