Bugfix: generate fatal error when type is unknown in get_psk_info() call-back
Bugfix: generate fatal error when type is unknown in get_psk_info() call-back

nmacs/tinydtls,jvermillard/tinydtls,jvermillard/tinydtls,yunus/TinyDTLS-WebID,nmacs/tinydtls,spark/tinydtls,yunus/TinyDTLS-WebID,fvdnabee/tinydtls,OlegHahm/tinydtls,fvdnabee/tinydtls,jvermillard/tinydtls,yunus/TinyDTLS-WebID,spark/tinydtls,nmacs/tinydtls,OlegHahm/tinydtls,fvdnabee/tinydtls,nmacs/tinydtls,OlegHahm/tinydtls,spark/tinydtls