MacOSX/build-package: fix build for make multi jobs
MacOSX/build-package: fix build for make multi jobs

If --jobs=... argument is used for make (or the equivalent MAKEFLAGS is
defined) then the command "make clean update depend" fails because the 3
actions must be done in sequence and not in parallel.

mouse07410/OpenSC,frankmorgner/OpenSC,OpenSC/OpenSC,hongquan/OpenSC-main,fabled/OpenSC,martinpaljak/OpenSC,dengert/OpenSC,OpenSC/OpenSC,dengert/OpenSC,philipWendland/OpenSC,jpki/OpenSC,mouse07410/OpenSC,hhonkanen/OpenSC,frankmorgner/OpenSC,philipWendland/OpenSC,Jakuje/OpenSC,fabled/OpenSC,AktivCo/OpenSC,martinpaljak/OpenSC,Jakuje/OpenSC,martinpaljak/OpenSC,LudovicRousseau/OpenSC,fabled/OpenSC,metsma/OpenSC,AktivCo/OpenSC,Jakuje/OpenSC,CardContact/OpenSC,LudovicRousseau/OpenSC,mtrojnar/OpenSC,hhonkanen/OpenSC,LudovicRousseau/OpenSC,viktorTarasov/OpenSC-SM,hhonkanen/OpenSC,metsma/OpenSC,mtrojnar/OpenSC,metsma/OpenSC,OpenSC/OpenSC,Jakuje/OpenSC,rickyepoderi/OpenSC,fabled/OpenSC,viktorTarasov/OpenSC-SM,hongquan/OpenSC-main,viktorTarasov/OpenSC-SM,hongquan/OpenSC-main,CardContact/OpenSC,rickyepoderi/OpenSC,nmav/OpenSC,rickyepoderi/OpenSC,mtrojnar/OpenSC,nmav/OpenSC,philipWendland/OpenSC,jpki/OpenSC,AktivCo/OpenSC,frankmorgner/OpenSC,dengert/OpenSC,frankmorgner/OpenSC,mouse07410/OpenSC,nmav/OpenSC,jpki/OpenSC,CardContact/OpenSC