Adding support for DNIe.
Merge pull request #168 from germanblanco/opendnie

Adding support for DNIe.
Fix integration problem with DNIe

card-dnie.c:1481:2: error: too few arguments to function `sc_pkcs1_strip_01_padding'

The prototype of sc_pkcs1_strip_01_padding() changed between the patch
submission and its integration.
Reset return code to success if pubkey read from cert.