Add issue and obestwalter to CHANGELOG

Fix #1632

CHANGELOG.rst

@@ -86,7 +86,8 @@
 * Remove all py.test-X* entry points. The versioned, suffixed entry points
   were never documented and a leftover from a pre-virtualenv era. These entry
   points also created broken entry points in wheels, so removing them also
-  removes a source of confusion for users.
+  removes a source of confusion for users (`#1632`_).
+  Thanks `@obestwalter`_ for the PR.
 
 **Changes**
 
@@ -152,6 +153,7 @@
 
 *
 
+.. _#1632: https://github.com/pytest-dev/pytest/issues/1632
 .. _#1580: https://github.com/pytest-dev/pytest/pull/1580
 .. _#1605: https://github.com/pytest-dev/pytest/issues/1605
 .. _#1597: https://github.com/pytest-dev/pytest/pull/1597
@@ -165,6 +167,7 @@
 .. _@Vogtinator: https://github.com/Vogtinator
 .. _@blueyed: https://github.com/blueyed
 .. _@fengxx: https://github.com/fengxx
+.. _@obestwalter: https://github.com/obestwalter
 
 * Fix `#1421`_: Exit tests if a collection error occurs and add
   ``--continue-on-collection-errors`` option to restore previous behaviour.