Update caching.stpl

Minor fixes for caching,stpl template

install/debian/8/templates/web/nginx/caching.stpl

@@ -40,5 +40,5 @@ server {
     location ~ /\.hg/   {return 404;}
     location ~ /\.bzr/  {return 404;}
 
-    include %home%/%user%/conf/web/nginx.%domain_idn%.conf*;
+    include %home%/%user%/conf/web/snginx.%domain_idn%.conf*;
 }