bugfix:
- fix typo in cmake file.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>
bugfix:
- remove commented code in cmake build for zlib_static.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>
bugfix:
- https://github.com/assimp/assimp/issues/94: fix assimp-config.cmake.in file.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>