Fix option parsing on unsigned char platforms.
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@ -1,4 +1,4 @@
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/* $NetBSD: dnssec-verify.c,v 1.3 2013/03/24 18:44:38 christos Exp $ */
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/* $NetBSD: dnssec-verify.c,v 1.4 2013/07/01 21:59:20 joerg Exp $ */
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/*
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* Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC")
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@ -164,7 +164,8 @@ main(int argc, char *argv[]) {
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#endif
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char *classname = NULL;
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dns_rdataclass_t rdclass;
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char ch, *endp;
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int ch;
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char *endp;
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isc__mem_register();
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#define CMDLINE_FLAGS \
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