Forward the return code of relpEngineSetTLSLib() to relpEngineSetTLSLibByName().
Current situation: In case librelp is compiled without openssl support but openssl is requested from the user side, then librelp silently switches to the default tls driver(gnutls).
Forward the return code of
relpEngineSetTLSLib()
torelpEngineSetTLSLibByName()
.Current situation: In case librelp is compiled without openssl support but openssl is requested from the user side, then librelp silently switches to the default tls driver(gnutls).