add r1928839 to mod_md backport

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1928840 13f79535-47bb-0310-9956-ffa450edef68

Author: icing

STATUS

@@ -184,7 +184,8 @@ PATCHES PROPOSED TO BACKPORT FROM TRUNK:
         http://svn.apache.org/r1927807
         http://svn.apache.org/r1927874
         http://svn.apache.org/r1928039
-     2.4.x patch: svn merge -c 1927807,1927874,1928039 ^/httpd/httpd/trunk .
+        http://svn.apache.org/r1928839
+     2.4.x patch: svn merge -c 1927807,1927874,1928039,1928839 ^/httpd/httpd/trunk .
      Might need some resolving in test code, as trunk and 2.4.x
      are not in sync.
      +1: icing, rpluem