debian/changelog: UNRELEASED => experimental

Gbp-Dch: Ignore

debian/changelog

-openexr (2.5.2-2) UNRELEASED; urgency=medium
+openexr (2.5.2-2) experimental; urgency=medium
 
   * debian/control: strict versioning against libilmbase-dev
 
- -- Matteo F. Vescovi <mfv@debian.org>  Thu, 06 Aug 2020 20:17:44 +0200
+ -- Matteo F. Vescovi <mfv@debian.org>  Thu, 06 Aug 2020 20:18:22 +0200
 
 openexr (2.5.2-1) experimental; urgency=medium