fix to mkbuild to check for configure after running autoreconf
fix to mkbuild to check for configure after running autoreconf

jmcadden/EBBlib,SESA/EBBlib,jmcadden/EBBlib,SESA/EBBlib,jmcadden/EBBlib,SESA/EBBlib,SESA/EBBlib,jmcadden/EBBlib