Only update ssl.conf if it exists

dehydrated.spec

@@ -120,7 +120,9 @@ fi
 if [ -d %{_localstatedir}/lib/letsencrypt.sh/certificates/certs ]; then
   mv %{_localstatedir}/lib/letsencrypt.sh/certificates/* %{_localstatedir}/lib/%{name}/certificates/
 fi
-sed -i -e 's|%{_localstatedir}/lib/letsencrypt.sh|%{_localstatedir}/lib/%{name}|g' %{_sysconfdir}/httpd/conf.d/ssl.conf
+if [ -e %{_sysconfdir}/httpd/conf.d/ssl.conf ]; then
+  sed -i -e 's|%{_localstatedir}/lib/letsencrypt.sh|%{_localstatedir}/lib/%{name}|g' %{_sysconfdir}/httpd/conf.d/ssl.conf
+fi
 if [ -d %{_sysconfdir}/letsencrypt.sh/hooks_deploy_cert.d/ ]; then
   find %{_sysconfdir}/letsencrypt.sh/hooks_deploy_cert.d/ -type f -perm /111 -exec mv "{}" %{_sysconfdir}/%{name}/hooks_deploy_cert.d/ \;
 fi