Fix reset of bn pointer and return false
Fix reset of bn pointer and return false

 On branch sc-ossl-compat-cleanup
 Changes to be committed:
	modified:   pkcs15-westcos.c

dengert/OpenSC,OpenSC/OpenSC,LudovicRousseau/OpenSC,mouse07410/OpenSC,philipWendland/OpenSC,philipWendland/OpenSC,LudovicRousseau/OpenSC,OpenSC/OpenSC,mouse07410/OpenSC,metsma/OpenSC,philipWendland/OpenSC,metsma/OpenSC,OpenSC/OpenSC,metsma/OpenSC,dengert/OpenSC,LudovicRousseau/OpenSC,mouse07410/OpenSC,dengert/OpenSC