Fix syntax error

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1024

roles/matrix-nginx-proxy/templates/nginx/conf.d/matrix-riot-web.conf.j2

@@ -4,13 +4,13 @@
 	{% if matrix_nginx_proxy_floc_optout_enabled %}
 		add_header Permissions-Policy interest-cohort=() always;
 	{% endif %}
-	
+
 	{% if matrix_nginx_proxy_hsts_preload_enabled %}
 		add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
 	{% else %}
 		add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
-	{% endif 
-	
+	{% endif %}
+
 	add_header X-XSS-Protection "{{ matrix_nginx_proxy_xss_protection }}";
 
 	{% for configuration_block in matrix_nginx_proxy_proxy_riot_additional_server_configuration_blocks %}
@@ -75,7 +75,7 @@ server {
 		ssl_stapling_verify on;
 		ssl_trusted_certificate {{ matrix_ssl_config_dir_path }}/live/{{ matrix_nginx_proxy_proxy_riot_compat_redirect_hostname }}/chain.pem;
 	{% endif %}
-	
+
 	{% if matrix_nginx_proxy_ssl_session_tickets_off %}
 		ssl_session_tickets off;
 	{% endif %}