please stop using ERR_remove_thread_state

[LocutusOfBorg]

$ git grep ERR_remove_thread_state
Release/src/websockets/client/ws_client_wspp.cpp:                ERR_remove_thread_state(nullptr);
Release/src/websockets/client/ws_client_wspp.cpp:            ERR_remove_thread_state(nullptr);

this is deprecated in openssl1.1
thanks!

[LocutusOfBorg]

@kroeckx hi, your opinion on me adding

export DEB_CXXFLAGS_MAINT_APPEND  = -Wno-error=deprecated-declarations

to rules file?

[kroeckx]

I suggest you put those calls inside an #if OPENSSL_VERSION_NUMBER < 0x10100000L

[LocutusOfBorg]

So, this is ok?
#285

[xgdgsc]

Please make a new release for this.