OPEN-210 FMOD Ex include confusion. Revert FMODEX.cmake

change from changeset 3d662c2f1aad.  This gave the TPVDs some
grief and was an unfinished attempt at cleanup.

indra/cmake/FMODEX.cmake

@@ -39,7 +39,7 @@ if (FMODEX)
             optimized fmodex)
       endif (WINDOWS)
       set(FMODEX_LIBRARIES ${FMODEX_LIBRARY})
-      set(FMODEX_INCLUDE_DIR ${LIBS_PREBUILT_DIR}/include/)
+      set(FMODEX_INCLUDE_DIR ${LIBS_PREBUILT_DIR}/include/fmodex)
     endif (FMODEX_LIBRARY AND FMODEX_INCLUDE_DIR)
   endif (STANDALONE)
 endif (FMODEX)