lcdf-typetools: fetched bugfixed version

after update (Xcode?), lcdf-typetools could not be compiled, clashed with standard libraries, for details see https://github.com/kohler/lcdf-typetools/issues/3. bug solved in https://github.com/kohler/lcdf-typetools/commit/d263fdf688166d1eedffb776d4cc72815d561c52. homebrew formula updated to fetch that commit instead of version 2.99