[plugins] ssl: fixes negated condition wrt X-Forwarded-Proto
[plugins] ssl: fixes negated condition wrt X-Forwarded-Proto

xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,xzero/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0