[LINT] `&' interpreted as argument prefix

Author: ekosz

lib/rack/reverse_proxy.rb

@@ -13,7 +13,7 @@ def initialize(app = nil, &b)
       @app = app || lambda {|env| [404, [], []] }
       @matchers = []
       @global_options = {:preserve_host => true, :x_forwarded_host => true, :matching => :all, :replace_response_host => false}
-      instance_eval &b if block_given?
+      instance_eval(&b) if block_given?
     end
 
     def call(env)