fix warnings

Author: rubysolo

lib/excelerator/phoenix.ex

@@ -17,7 +17,7 @@ defmodule Excelerator.Phoenix do
 
   """
 
-  defmacro __using__(options) do
+  defmacro __using__(_options) do
     quote do
       def xls(conn, template, assigns, opts \\ []) do
         excel_data = view_module(conn).render(template, assigns)

lib/excelerator/workbook.ex

@@ -33,7 +33,7 @@ defmodule Excelerator.Workbook do
     end
   end
 
-  defmacro row(do: {_, _, statements} = content) do
+  defmacro row(do: {_, _, statements}) do
     quote do
       {:Row, unquote(statements)}
     end