Add mdlayher to AUTHORS and CONTRIBUTORS
diff --git a/AUTHORS b/AUTHORS
index 39d3ce3..dab9dbe 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -15,4 +15,5 @@
 Google, Inc.
 Keith Rarick <kr@xph.us> github=kr
 Matthew Keenan <tank.en.mate@gmail.com> <github@mattkeenan.net> github=mattkeenan
+Matt Layher <mdlayher@gmail.com> github=mdlayher
 Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com> github=tatsuhiro-t
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index f33beaa..22e8c8c 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -15,4 +15,5 @@
 Gabriel Aszalos <gabriel.aszalos@gmail.com> github=gbbr
 Keith Rarick <kr@xph.us> github=kr
 Matthew Keenan <tank.en.mate@gmail.com> <github@mattkeenan.net> github=mattkeenan
+Matt Layher <mdlayher@gmail.com> github=mdlayher
 Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com> github=tatsuhiro-t