Fix lint errors

Author: lukeapage

lib/util/propTypes.js

@@ -547,9 +547,11 @@ module.exports = function propTypesInstructions(context, components, utils) {
         break;
       case 'GenericTypeAnnotation':
         if (propTypes.id.name === '$ReadOnly') {
-          ignorePropsValidation = declarePropTypesForObjectTypeAnnotation(propTypes.typeParameters.params[0], declaredPropTypes);
+          ignorePropsValidation = declarePropTypesForObjectTypeAnnotation(
+            propTypes.typeParameters.params[0],
+            declaredPropTypes);
         } else {
-          ignorePropsValidation = true;          
+          ignorePropsValidation = true;
         }
         break;
       case null: