bin/45096: look at various compiler warning workarounds from GCC 4.5

[mrg%eterna.com.au@localhost]

>Number:         45096
>Category:       bin
>Synopsis:       look at various compiler warning workarounds from GCC 4.5
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jun 22 05:30:00 +0000 2011
>Originator:     matthew green
>Release:        NetBSD 5.99.53
>Organization:
people's front against (bozotic) www (softwar foundation)
>Environment:
        
all these changes should be investigated for a real fix:

        cvs rdiff -u -r1.27 -r1.28 src/bin/ksh/Makefile
        cvs rdiff -u -r1.5 -r1.6 
src/crypto/external/bsd/openssh/bin/ssh/Makefile
        cvs rdiff -u -r1.3 -r1.4 src/crypto/external/bsd/openssl/bin/Makefile
        cvs rdiff -u -r1.7 -r1.8 src/external/bsd/am-utils/bin/amd/Makefile
        cvs rdiff -u -r1.1 -r1.2 src/external/bsd/am-utils/bin/hlfsd/Makefile
        cvs rdiff -u -r1.3 -r1.4 src/external/bsd/iscsi/initiator/Makefile
        cvs rdiff -u -r1.1 -r1.2 src/external/bsd/mdocml/lib/libmandoc/Makefile
        cvs rdiff -u -r1.8 -r1.9 src/external/bsd/ntp/bin/ntpd/Makefile
        cvs rdiff -u -r1.1 -r1.2 src/external/bsd/ntp/lib/libiscntp/Makefile
        cvs rdiff -u -r1.5 -r1.6 src/external/bsd/tcpdump/bin/Makefile
        cvs rdiff -u -r1.42 -r1.43 src/games/hack/Makefile
        cvs rdiff -u -r1.17 -r1.18 src/lib/libc/rpc/Makefile.inc
        cvs rdiff -u -r1.61 -r1.62 src/libexec/ftpd/Makefile
        cvs rdiff -u -r1.5 -r1.6 src/regress/sys/kern/getcwd/Makefile
        cvs rdiff -u -r1.11 -r1.12 src/sbin/dump_lfs/Makefile
        cvs rdiff -u -r1.29 -r1.30 src/sbin/fsdb/Makefile
        cvs rdiff -u -r1.50 -r1.51 src/sbin/ifconfig/Makefile
        cvs rdiff -u -r1.10 -r1.11 src/sbin/mount_smbfs/Makefile
        cvs rdiff -u -r1.12 -r1.13 src/sbin/ping6/Makefile
        cvs rdiff -u -r1.34 -r1.35 src/sys/arch/i386/stand/lib/Makefile
        cvs rdiff -u -r1.8 -r1.9 src/usr.bin/cap_mkdb/Makefile
        cvs rdiff -u -r1.33 -r1.34 src/usr.bin/ftp/Makefile
        cvs rdiff -u -r1.53 -r1.54 src/usr.bin/make/Makefile
        cvs rdiff -u -r1.3 -r1.4 src/usr.bin/midiplay/Makefile
        cvs rdiff -u -r1.6 -r1.7 src/usr.bin/sdpquery/Makefile
        cvs rdiff -u -r1.10 -r1.11 src/usr.sbin/altq/libaltq/Makefile
        cvs rdiff -u -r1.2 -r1.3 src/usr.sbin/dhcp/omshell/Makefile
        cvs rdiff -u -r1.4 -r1.5 src/usr.sbin/fwctl/Makefile
        cvs rdiff -u -r1.44 -r1.45 src/usr.sbin/installboot/Makefile
        cvs rdiff -u -r1.1 -r1.2 src/usr.sbin/iopctl/Makefile
        cvs rdiff -u -r1.1 -r1.2 src/usr.sbin/mlxctl/Makefile
        cvs rdiff -u -r1.15 -r1.16 src/usr.sbin/mopd/common/Makefile

        cvs rdiff -u -r1.15 -r1.16 src/lib/libc/arch/sparc64/Makefile.inc
        cvs rdiff -u -r1.15 -r1.16 src/usr.bin/m4/Makefile
        cvs rdiff -u -r1.4 -r1.5 src/usr.sbin/altq/altqd/Makefile

this PR is mostly for me or preferably someone else to look at these
eventually.

>How-To-Repeat:
>Fix: