Log Message:-----------work with older versions of git
Modified Files:-------------- client-code/PGBuild: SCM.pm (r1.4 -> r1.5) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/PGBuild/SCM.pm?r1=1.4&r2=1.5)