Fix indent errors

Author: yannickcr

lib/rules/prop-types.js

@@ -151,12 +151,12 @@ module.exports = {
       return false;
     }
 
-/**
- * Checks if we are declaring a props as a generic type in a flow-annotated class.
- *
- * @param {ASTNode} node  the AST node being checked.
- * @returns {Boolean} True if the node is a class with generic prop types, false if not.
- */
+    /**
+     * Checks if we are declaring a props as a generic type in a flow-annotated class.
+     *
+     * @param {ASTNode} node  the AST node being checked.
+     * @returns {Boolean} True if the node is a class with generic prop types, false if not.
+     */
     function isSuperTypeParameterPropsDeclaration(node) {
       if (node && node.type === 'ClassDeclaration') {
         if (node.superTypeParameters && node.superTypeParameters.params.length >= 2) {