Fix Apple OAuth params

Author: abnegate

templates/swift/base/params.twig

@@ -13,5 +13,13 @@
             "{{ parameter.name }}": {{ parameter.name | caseCamel | escapeKeyword }}{% if not loop.last %},{% endif %}
 
         {%~ endfor %}
+        {%~ if method.auth | length > 0 %}
+        {%~ for node in method.auth %}
+        {%~ for key,header in node | keys %}
+            "{{ header | caseLower }}" to client.config["{{ header | caseLower }}"]{% if not loop.last %},{% endif %}
+
+        {%~ endfor %}
+        {%~ endfor %}
+        {%~ endif %}
         ]
         {%~ endif %}