MacInstaller: allow building a x86 only version for 10.5
MacInstaller: allow building a x86 only version for 10.5

git-svn-id: 444ed946b9c2220da791e84c3dd156a05f92db99@4778 c6295689-39f2-0310-b995-f0e70906c6a9

carlhoerberg/OpenSC,carlhoerberg/OpenSC,UIKit0/OpenSC,tidatida/OpenSC,ieugen/OpenSC,dirkx/OpenSC,philipWendland/OpenSC,0x7678/OpenSC,germanblanco/OpenSC,rickyepoderi/OpenSC,hongquan/OpenSC-main,mouse07410/OpenSC,tidatida/OpenSC,ieugen/OpenSC,jpki/OpenSC,frankmorgner/OpenSC,fabled/OpenSC,adminmt/OpenSC,OpenSC/OpenSC,mouse07410/OpenSC,gemini/OpenSC,aobaid/OpenSC,0x7678/myOpenSC,gentoo/OpenSC,kasparsd/opensc-latvia-id,Jakuje/OpenSC,tidatida/OpenSC,financeX/OpenSC,martinpaljak/OpenSC,adminmt/OpenSC,AktivCo/OpenSC,fabled/OpenSC,CardContact/OpenSC,0x7678/myOpenSC,OpenSC/OpenSC,aobaid/OpenSC,fabled/OpenSC,kasparsd/opensc-latvia-id,hhonkanen/OpenSC,marschap/pkg-opensc,carlhoerberg/OpenSC,gentoo/OpenSC,gemini/OpenSC,financeX/OpenSC,UIKit0/OpenSC,mtrojnar/OpenSC,philipWendland/OpenSC,martinpaljak/OpenSC,hhonkanen/OpenSC,gemini/OpenSC,ieugen/OpenSC,dengert/OpenSC,rickyepoderi/OpenSC,l1k/OpenSC,aobaid/OpenSC,fabled/OpenSC,dirkx/OpenSC.tokend,gentoo/OpenSC,financeX/OpenSC,Jakuje/OpenSC,AktivCo/OpenSC,metsma/OpenSC,mtrojnar/OpenSC,dirkx/OpenSC,LudovicRousseau/OpenSC,marschap/pkg-opensc,CardContact/OpenSC,velter/OpenSC,financeX/OpenSC,UIKit0/OpenSC,martinpaljak/OpenSC,AktivCo/OpenSC,ieugen/OpenSC,mtrojnar/OpenSC,LudovicRousseau/OpenSC,dirkx/OpenSC.tokend,0x7678/myOpenSC,velter/OpenSC,dirkx/OpenSC,aobaid/OpenSC,frankmorgner/OpenSC,metsma/OpenSC,0x7678/OpenSC,tidatida/OpenSC,rickyepoderi/OpenSC,dirkx/OpenSC.tokend,UIKit0/OpenSC,metsma/OpenSC,gentoo/OpenSC,hhonkanen/OpenSC,frankmorgner/OpenSC,nmav/OpenSC,0x7678/myOpenSC,marschap/pkg-opensc,germanblanco/OpenSC,viktorTarasov/OpenSC-SM,LudovicRousseau/OpenSC,viktorTarasov/OpenSC-SM,viktorTarasov/OpenSC-SM,carlhoerberg/OpenSC,ieugen/OpenSC,hongquan/OpenSC-main,Jakuje/OpenSC,mouse07410/OpenSC,dirkx/OpenSC.tokend,kasparsd/opensc-latvia-id,0x7678/myOpenSC,financeX/OpenSC,dirkx/OpenSC.tokend,0x7678/OpenSC,jpki/OpenSC,velter/OpenSC,nmav/OpenSC,adminmt/OpenSC,gentoo/OpenSC,adminmt/OpenSC,hongquan/OpenSC-main,l1k/OpenSC,carlhoerberg/OpenSC,0x7678/OpenSC,germanblanco/OpenSC,frankmorgner/OpenSC,marschap/pkg-opensc,dirkx/OpenSC.tokend,Jakuje/OpenSC,l1k/OpenSC,dirkx/OpenSC,dengert/OpenSC,nmav/OpenSC,jpki/OpenSC,dengert/OpenSC,CardContact/OpenSC,dirkx/OpenSC,kasparsd/opensc-latvia-id,philipWendland/OpenSC,OpenSC/OpenSC,velter/OpenSC