- update to 1.11.0:
* code cleanup
* testbench: Fix commands in some openssl tests
* openssl: fix openssl exit code avoid double free of ctx
When more than one librelp instance are used in the same process,
and the relpTcpExitTLS call was called a second time, the process
could freeze due a double free (See SSL_CTX_free call).
* librelp hardening: Fix multiple minor issues causing debugging trouble
- avoid invalid dbgprint calls
- avoid double free in relpTcpDestruct (if called twice).
- add debug output into relpTcpRcv
* OpenSSL: fix depreacted API issues for OpenSSL 3.x
- OpenSSL error strings are loaded automatically now
* bugfix: compatiblity problem with openssl 1.1
* bugfix: Forward return code from relpEngineSetTLSLib to
relpEngineSetTLSLibName
* bugfix: make relpEngineSetTLSLib debug safe
* bugfix: warnings reported by coverity scan
* gnutls drvr bugfix: library called exit() under some circumstances