fix(minion): fix windows path construction

salt/minion.sls

@@ -78,7 +78,7 @@ salt-minion:
         {%- endif %}
     {% endif %}
   file.recurse:
-    - name: {{ salt_settings.config_path }}/minion.d
+    - name: {{ salt_settings.config_path | path_join('minion.d') }}
     {%- if salt_settings.minion_config_use_TOFS %}
     - template: ''
     - source: {{ files_switch(['minion.d'],
@@ -183,7 +183,7 @@ remove-default-minion-conf-file:
 # clean up old _defaults.conf file if they have it around
 remove-old-minion-conf-file:
   file.absent:
-    - name: {{ salt_settings.config_path }}/minion.d/_defaults.conf
+    - name: {{ salt_settings.config_path | path_join('minion.d', '_defaults.conf') }}
 
     {% if grains.os == 'MacOS' %}
 remove-macpackage-salt: