Fix lisp-format, scheme-format: Fix a memory corruption bug.
* gettext-tools/src/format-lisp.c (make_repeated_list): Access the correct
array.
* gettext-tools/src/format-scheme.c (make_repeated_list): Likewise.
* gettext-tools/tests/xgettext-lisp-3: New file.
* gettext-tools/tests/xgettext-scheme-5: New file.
* gettext-tools/tests/Makefile.am (TESTS): Add them.
