Merge pull request #163 from sengel/missing_backslash

add missing backslash when using TLS configuration

[patch] release

templates/node_exporter.service.j2

@@ -25,7 +25,7 @@ ExecStart={{ _node_exporter_binary_install_dir }}/node_exporter \
     --no-collector.{{ collector }} \
 {% endfor %}
 {% if node_exporter_tls_server_config | length > 0 or node_exporter_http_server_config | length > 0 or node_exporter_basic_auth_users | length > 0 %}
-    --web.config=/etc/node_exporter/config.yaml
+    --web.config=/etc/node_exporter/config.yaml \
 {% endif %}
     --web.listen-address={{ node_exporter_web_listen_address }}