Lint fixes.

Author: Marc Robichaud

index.js

@@ -30,10 +30,12 @@ module.exports = postcss.plugin("postcss-color-function", function() {
  * @return {String}        converted declaration value to rgba()
  */
 function transformColor(string) {
-  return parser(string).walk(function (node) {
-    if (node.type !== 'function' || node.value !== 'color') return
+  return parser(string).walk(function(node) {
+    if (node.type !== "function" || node.value !== "color") {
+        return
+    }
 
     node.value = colorFn.convert(parser.stringify(node))
-    node.type = 'word'
+    node.type = "word"
   }).toString()
 }