add whitespace to tempplate

templates/mariadb.j2

@@ -4,6 +4,7 @@
 [{{ mariadb_cnf_section.key }}]
 {% for mariadb_cnf_variable_pair in mariadb_cnf_section.value | dict2items %}
 {{ mariadb_cnf_variable_pair.key }}{% if mariadb_cnf_variable_pair.value is defined %} = {{ mariadb_cnf_variable_pair.value }}{% endif %}
+
 {% endfor %}
 {% endfor %}