Fix relative path to schema in ISO19157-2 (related to change from 2005 to namespace in file path 2ce159c0f79fc5e62962a9a74f4435b63d86cd00).
Merge pull request #12 from fxprunayre/fix/wrong-path-to-xsds

ISO19157-2 / Fix relative path to schema in ISO19157-2 - I was sure I made these changes already... Thanks for getting them again!