libnet-ssleay-perl: fix QA warning

WARNING: QA Issue: /usr/lib/libnet-ssleay-perl/ptest/t/local/38@underscore@priv-key.t_libnet-ssleay-perl-ptest contained in package libnet-ssleay-perl-ptest requires /usr/bin/perl, but no providers found in its RDEPENDS [file-rdeps]

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>