PROTON-1381, PROTON-1326: Modify openssl DH code to work with openssl 1.1 Modified patch from Volker Diels-Grabsch
PROTON-1381, PROTON-1326: Modify openssl DH code to work with openssl 1.1
Modified patch from Volker Diels-Grabsch

apache/qpid-proton,ChugR/qpid-proton,apache/qpid-proton,ssorj/qpid-proton,kgiusti/qpid-proton,ChugR/qpid-proton,alanconway/qpid-proton,kgiusti/qpid-proton,apache/qpid-proton,alanconway/qpid-proton,ssorj/qpid-proton,alanconway/qpid-proton,gemmellr/qpid-proton,astitcher/qpid-proton,alanconway/qpid-proton,alanconway/qpid-proton,ChugR/qpid-proton,ssorj/qpid-proton,astitcher/qpid-proton,gemmellr/qpid-proton,kgiusti/qpid-proton,gemmellr/qpid-proton,astitcher/qpid-proton,ssorj/qpid-proton,ChugR/qpid-proton,ssorj/qpid-proton,ssorj/qpid-proton,kgiusti/qpid-proton,ChugR/qpid-proton,kgiusti/qpid-proton,kgiusti/qpid-proton,astitcher/qpid-proton,ChugR/qpid-proton,apache/qpid-proton,astitcher/qpid-proton,gemmellr/qpid-proton,apache/qpid-proton,gemmellr/qpid-proton,apache/qpid-proton,gemmellr/qpid-proton,astitcher/qpid-proton,alanconway/qpid-proton