update swift version in readme

This commit is contained in:
Paul Zabelin
2019-04-09 04:04:04 -07:00
parent 3d03436393
commit 67b3902142

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@@ -117,6 +117,6 @@ Paul Zabelin, http://github.com/paulz
PerspectiveTransform is available under the MIT license. See the LICENSE file for more info.
[swift-badge]: https://img.shields.io/badge/Swift-4.2-orange.svg?style=flat
[swift-badge]: https://img.shields.io/badge/Swift-5.0-orange.svg?style=flat
[swift-url]: https://swift.org
[carthage-badge]: https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat