Paypal backend was re-added in this release and was missed due to the
arguments passed by EBIC_CONFIGURE_OFF. Consequently, the pkg-plist was
broken when the EBICS option was enabled.

Adjust the check for security/xmlsec1 so that aqbanking can be built
in poudriere with the EBICS option enabled.

MFH: 2018Q2 (blanket)