Kamil 9301db60e6 redundant quotation mark (#3837)
* Removed redundant quotation mark

This additional quotation mark is causing problems in out project and should be removed.

ngrep output:
```
Content-Disposition: form-data; name="file"; filename="file""
  ..Content-Transfer-Encoding: binary..Content-Type: image/jpg..Content-Length: 27855..........JFIF....
```

* updated petstore sample

* removed line break
2016-09-23 18:33:27 +08:00
..
2016-09-01 18:07:35 +03:00
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2016-09-01 18:07:35 +03:00