make check-old warnings

I've updated my laptop to r317256 and started to see some warnings when
I run make check-old:

❯ make check-old
make warning: $5bZ�
: No such file or directory.
make warning: $5bZ�
: No such file or directory.
>>> Checking for old files
make warning: $5bZ�
: No such file or directory.
/usr/bin/gdb
/usr/lib/debug/usr/bin/gdb.debug
/usr/bin/gdbserver
/usr/lib/debug/usr/bin/gdbserver.debug
/usr/bin/gdbtui
/usr/lib/debug/usr/bin/gdbtui.debug
/usr/bin/kgdb
/usr/lib/debug/usr/bin/kgdb.debug
/usr/share/man/man1/gdb.1.gz
/usr/share/man/man1/gdbserver.1.gz
/usr/share/man/man1/kgdb.1.gz
>>> Checking for old libraries
make warning: $5bZ�
: No such file or directory.
>>> Checking for old directories
make warning: $5bZ�
: No such file or directory.
/usr/share/examples/hast
/usr/share/examples/ipfilter
/usr/libexec/lpr/ru
/usr/lib/debug/usr/libexec/lpr/ru
/usr/libexec/lpr
/usr/lib/debug/usr/libexec/lpr
/usr/share/doc/smm/07.lpd
/usr/share/pc-sysinstall/backend
/usr/share/pc-sysinstall/backend-partmanager
/usr/share/pc-sysinstall/backend-query
/usr/share/pc-sysinstall/conf/license
/usr/share/pc-sysinstall/conf
/usr/share/pc-sysinstall/doc
/usr/share/pc-sysinstall
/usr/share/examples/pc-sysinstall
/etc/ppp
/usr/include/libmilter
/usr/share/doc/smm/08.sendmailop
/usr/share/sendmail
/usr/include/atf-c
/usr/include/atf-c++
/usr/share/atf
/usr/share/doc/atf
To remove old files and directories run 'make delete-old'.
To remove old libraries run 'make delete-old-libs'.
-- 
Renato Botelho