add -V (version) support

Get rid of silly gcc warning.

OK deraadt@.

handle the -L and -P options; ok ray

some minor KNF, including sentinals; ok ray

Import public domain rewrite of sendbug, written by Ray Lai. =)
Replaces GNU sendbug/sendpr, the wonderful shell script that had
trouble dealing with signals, behaved differently depending on what
fi

Import public domain rewrite of sendbug, written by Ray Lai. =)
Replaces GNU sendbug/sendpr, the wonderful shell script that had
trouble dealing with signals, behaved differently depending on what
file it read upon startup, and suffered from issues plaguing most
large shell scripts.

OK deraadt@.

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