fix(synapse/goofys): resolve Jinja2 syntax error in systemd service template

Commit 4224741130 missed a endfor
statement in the goofys systemd service unit template. This adds it,
avoiding a Jinja2 syntax error when using goofys.

roles/custom/matrix-synapse/templates/goofys/systemd/matrix-goofys.service.j2

@@ -4,6 +4,7 @@ Description=Matrix Goofys media store
 {% for service in matrix_synapse_goofys_systemd_required_services_list %}
 Requires={{ service }}
 After={{ service }}
+{% endfor %}
 DefaultDependencies=no
 
 [Service]