PROTON-1640: [ruby] Fix handling of decimal32 type on 32 bit systems
PROTON-1640: [ruby] Fix handling of decimal32 type on 32 bit systems

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