[pkgdb] php-phpseclib-crypt-rsa summary updated by limb

[Fedora PackageDB]

limb set package php-phpseclib-crypt-rsa summary to Pure-PHP implementation of RSA

To make changes to this package see:
  https://admin.fedoraproject.org/pkgdb/acls/name/php-phpseclib-crypt-rsa