Update changelog and add credit

Related to glfw#1602.

README.md

@@ -166,6 +166,7 @@ information on what to include when reporting a bug.
  - [X11] Bugfix: Monitor physical dimensions could be reported as zero mm
  - [X11] Bugfix: Window position events were not emitted during resizing (#1613)
  - [X11] Bugfix: `glfwFocusWindow` could terminate on older WMs or without a WM
+ - [X11] Bugfix: Querying a disconnected monitor could segfault (#1602)
  - [Wayland] Removed support for `wl_shell` (#1443)
  - [Wayland] Bugfix: The `GLFW_HAND_CURSOR` shape used the wrong image (#1432)
  - [Wayland] Bugfix: `CLOCK_MONOTONIC` was not correctly enabled
@@ -275,6 +276,7 @@ skills.
  - Rokas Kupstys
  - Konstantin Käfer
  - Eric Larson
+ - Francis Lecavalier
  - Robin Leffmann
  - Glenn Lewis
  - Shane Liesegang