Ignore empty resources

Author: Christian Marie

lib/grape-swagger.rb

@@ -11,7 +11,8 @@ def mount(mounts)
         original_mount mounts
         @combined_routes ||= {}
         mounts::routes.each do |route|
-          resource = route.route_path.match('\/(\w*?)[\.\/\(]').captures.first || '/'
+          resource = route.route_path.match('\/(\w*?)[\.\/\(]').captures.first
+          next if resource.empty?
           @combined_routes[resource.downcase] ||= []
           @combined_routes[resource.downcase] << route
         end