Fix compiler warning
Fix compiler warning

pkcs15-pubkey.c: In function 'sc_pkcs15_pubkey_from_spki_filename':
pkcs15-pubkey.c:944: warning: 'buflen' may be used uninitialized in this function


git-svn-id: 444ed946b9c2220da791e84c3dd156a05f92db99@5256 c6295689-39f2-0310-b995-f0e70906c6a9

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