Update gre/files/ferm-tap.conf.j2, gre/files/ferm-tun.conf.j2 files

gre/files/ferm-tap.conf.j2

@@ -4,7 +4,7 @@ domain (ip ip6) {
       proto gre saddr (
 {% for name, interface in pillar.ifaces.items() if 'mode' in interface %}
 {%- if interface.mode == 'gretap' -%}
-        {{ interface.remote }} , 
+        {{ interface.remote }}{{ ' ' }}
 {%- endif %}
 {%- endfor %}
       ) ACCEPT;

gre/files/ferm-tun.conf.j2

@@ -4,7 +4,7 @@ domain (ip ip6) {
       proto gre saddr (
 {% for name, interface in pillar.ifaces.items() if 'mode' in interface %}
 {%- if interface.mode == 'gretun' -%}
-        {{ interface.remote }} , 
+        {{ interface.remote }}{{ ' ' }}
 {%- endif %}
 {%- endfor %}
       ) ACCEPT;