Update changelog for 10.1.38-0deb9u1 release

debian/changelog

@@ -6,11 +6,18 @@ mariadb-10.1 (10.1.38-0+deb9u1) stretch; urgency=medium
     - CVE-2019-2529
   * Update correct branch name in gbp.conf
   * Disable test unit.pcre_test on s390x that was failing in stretch-security
-  * Fix mips compilation failure (__bss_start symbol missing)
+    (Closes: #920854)
+  * Limit build test suite to 'main' like in mariadb-10.3 to make unnecessary
+    build failures less likely in lifetime of Stretch.
+  * Fix mips compilation failure (__bss_start symbol missing) (Closes: #920855)
   * Extend the server README to clarify common misunderstandings
     (Closes: #878215)
+  * Enable ccache in CMake path so it can be used automatically where available
+  * Heavily refactor and unify gitlab-ci.yml MariaDB install/upgrade steps.
+    This ensures uploads to Stretch are much more safer to do now than in the
+    past.
 
- -- Otto Kekäläinen <otto@debian.org>  Sat, 30 Mar 2019 17:29:33 +0200
+ -- Otto Kekäläinen <otto@debian.org>  Tue, 16 Apr 2019 14:56:50 +0300
 
 mariadb-10.1 (10.1.37-0+deb9u1) stretch-security; urgency=high