Xcode update line should be in 2.6

CHANGELOG.md

@@ -1,11 +1,13 @@
 ## master
 * Add your own contributions to the next release on the line below this with your name.
-- [Xcode 9] Updated to require Xcode 9 (to fix warnings) [Garrett Moon](https://github.com/garrettmoon)
 - [ASCollectionView] Improve performance and behavior of rotation / bounds changes. [Scott Goodson](https://github.com/appleguy) [#431](https://github.com/TextureGroup/Texture/pull/431)
 - [ASCollectionView] Improve index space translation of Flow Layout Delegate methods. [Scott Goodson](https://github.com/appleguy)
 - [Animated Image] Adds support for animated WebP as well as improves GIF handling. [#605](https://github.com/TextureGroup/Texture/pull/605) [Garrett Moon](https://github.com/garrettmoon)
 - [ASCollectionView] Check if batch fetching is needed if batch fetching parameter has been changed. [#624](https://github.com/TextureGroup/Texture/pull/624) [Garrett Moon](https://github.com/garrettmoon)
 
+## 2.6
+- [Xcode 9] Updated to require Xcode 9 (to fix warnings) [Garrett Moon](https://github.com/garrettmoon)
+
 ## 2.5.1
 - [ASVideoNode] Fix unreleased time observer. [Flo Vouin](https://github.com/flovouin)
 - [PINCache] Set a default .byteLimit to reduce disk usage and startup time. [#595](https://github.com/TextureGroup/Texture/pull/595) [Scott Goodson](https://github.com/appleguy)