copy-file, rpmatch: fix problems found by cppcheck Reported by Arno Onken in <http://lists.gnu.org/archive/html/bug-gnulib/2013-03/msg00069.html>. * lib/rpmatch.c (try): Fix memory leak. * lib/copy-file.c: Include "ignore-value.h". (qcopy_file_preserving): Ignore chown value. * modules/copy-file (Depends-on): Add ignore-value.