Merge pull request #10 from amatsuda/warning

warning: assigned but unused variable - tries

lib/retryable.rb

@@ -18,7 +18,7 @@ def retryable(options = {}, &block)
     rescue *on_exception => exception
       raise unless Retryable.enabled?
       raise unless exception.message =~ opts[:matching]
-      raise if retries+1 >= opts[:tries]
+      raise if retries+1 >= tries
 
       # Interrupt Exception could be raised while sleeping
       begin