jsx-tag-spacing crashes if options object isn't passed

This simple configuration makes `jsx-tag-spacing` crash:
```
'react/jsx-tag-spacing': 1
```

A quick fix is:
```
'react/jsx-tag-spacing': [1, {}]
```

Error:
```
TypeError: Error while loading rule 'react/jsx-tag-spacing': Cannot read property 'hasOwnProperty' of undefined
    at Object.create ([...]/node_modules/eslint-plugin-react/lib/rules/jsx-tag-spacing.js:208:60)
```