Merge pull request #3584 from mpg/fix-changelog-file-location

Fix location of a ChangeLog entry file
diff --git a/undef_assert_before_defining_it.txt b/ChangeLog.d/undef_assert_before_defining_it.txt
similarity index 100%
rename from undef_assert_before_defining_it.txt
rename to ChangeLog.d/undef_assert_before_defining_it.txt