Merge pull request #685 from johnmhenson/fix-typo

Fixing typo

lib/defaults.js

@@ -80,7 +80,7 @@ defaults.headers = {
   }
 };
 
-utils.forEach(['delete', 'get', 'head'], function forEachMehtodNoData(method) {
+utils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {
   defaults.headers[method] = {};
 });