Fix require-default-props rule filter of undefined exception

Author: carlrosell

lib/rules/require-default-props.js

@@ -161,7 +161,7 @@ module.exports = {
       switch (node.typeAnnotation.type) {
         case 'GenericTypeAnnotation':
           var annotation = resolveGenericTypeAnnotation(node.typeAnnotation);
-          properties = annotation ? annotation.properties : [];
+          properties = annotation && annotation.properties ? annotation.properties : [];
           break;
 
         case 'UnionTypeAnnotation':

tests/lib/rules/require-default-props.js

@@ -677,6 +677,16 @@ ruleTester.run('require-default-props', rule, {
         '}'
       ].join('\n'),
       parser: 'babel-eslint'
+    },
+    {
+      code: [
+        'type Props = any;',
+
+        'const Hello = function({ foo }: Props) {',
+        '  return <div>Hello {foo}</div>;',
+        '};'
+      ].join('\n'),
+      parser: 'babel-eslint'
     }
   ],