Fix for Aiksaurus 1.0.0

[Michael Schmitt]

Hello,

LyX 1.4.0cvs doesn't work with Aiksaurus 1.0.0 because the location of 
Aiksaurus.h has changed since the previous version.

Please apply the following patch

Thanks, Michael

***************************************************************************

Index: src/Thesaurus.h
===================================================================
RCS file: /cvs/lyx/lyx-devel/src/Thesaurus.h,v
retrieving revision 1.5
diff -r1.5 Thesaurus.h
18c18
< #include "Aiksaurus.h"
---
> #include "Aiksaurus/Aiksaurus.h"