Backport to stretch.

debian/changelog

+libglvnd (1.0.0+git20180308-2~bpo9+1) stretch-backports; urgency=medium
+
+  * Rebuild for stretch-backports.
+
+ -- Andreas Boll <aboll@debian.org>  Sun, 29 Apr 2018 13:38:28 +0200
+
 libglvnd (1.0.0+git20180308-2) unstable; urgency=medium
 
   * rules: Disable tests, they fail the build on many archs.