Move gettext-tools/lib/ChangeLog.0 to gnulib-local/lib/ChangeLog.0.

diff --git a/gettext-tools/lib/ChangeLog.0 b/gnulib-local/lib/ChangeLog.0
similarity index 100%
rename from gettext-tools/lib/ChangeLog.0
rename to gnulib-local/lib/ChangeLog.0