Fixes for openssl 1.1
**[This merge request is automatically copied from !32 (merged) orginally made by @ellert **]
Make the scitokens code compile with openssl 1.1 without breaking compatibility with openssl 1.0.
Edited by Maiken
**[This merge request is automatically copied from !32 (merged) orginally made by @ellert **]
Make the scitokens code compile with openssl 1.1 without breaking compatibility with openssl 1.0.