Updated credits and changelog.

doc/changelog.dox

@@ -77,6 +77,11 @@ See also:
 -   Detection of SwiftShader drivers with
     @ref GL::Context::DetectedDriver::SwiftShader
 
+@subsubsection changelog-latest-new-platform Platform libraries
+
+-   Added @ref Platform::Sdl2Application::glContext() to access the underlying
+    `SDL_GLContext` (see [mosra/magnum#325](https://github.com/mosra/magnum/pull/325))
+
 @subsubsection changelog-latest-new-text Text library
 
 -   A new @ref Text::AbstractGlyphCache base now makes @ref Text::AbstractFont

doc/credits.dox

@@ -112,7 +112,7 @@ Are the below lists missing your name or something's wrong?
 -   **Guillaume Giraud** ([\@Guillaume227](https://github.com/Guillaume227)) ---
     algorithm bugfixes
 -   **Guillaume Jacquemin** ([\@williamjcm](https://github.com/williamjcm)) ---
-    MSYS2 packages
+    MSYS2 packages, additions to @ref Platform::Sdl2Application
 -   **Hilario Pérez Corona** ([\@hpcorona](https://github.com/hpcorona)) ---
     improvements to @cb{.cmake} android_create_apk() @ce
 -   **Ivan P.** ([\@uzername](https://github.com/uzername)) --- documentation