Add patch to fix automated test failure when uid != primary gid

debian/changelog

@@ -3,6 +3,8 @@ ostree (2017.14-1) UNRELEASED; urgency=medium
   * New upstream release
     - d/libostree-1-1.symbols: Update
   * Standards-Version: 4.1.2 (no changes required)
+  * d/p/tests-Don-t-assume-uid-primary-gid.patch:
+    Add patch to fix automated test failure when uid != primary gid
 
  -- Simon McVittie <smcv@debian.org>  Fri, 08 Dec 2017 19:16:17 +0000