(MODULES-1457) apache::vhost: SSLCACertificatePath can't be unset #913
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The SSLCACertificatePath is always set. The check for @ssl_certs_dir only
covers "undef". As there is a default value in ::apache::params for
ssl_certs_dir it needs to be overriden with an empty string.
Right now the _ssl.erb template outputs 'SSLCACertificatePath ""' for an empty
string, which triggers a failing reload of httpd.
This patch just adds a "&& @ssl_certs_dir != ''" to the condition.
On a Puppet master passenger vhost it's probably security relevant setting,
as it enables all system CA signed certificates access.
Related patch: #787