Fix options parsing bug in xz.
xz used to reject "xz --lzma2=pb=2," while "xz --lzma2=pb=2,," worked. Now both work.
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@ -68,11 +68,9 @@ parse_options(const char *str, const option_map *opts,
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char *s = xstrdup(str);
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char *name = s;
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while (true) {
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while (*name != '\0') {
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if (*name == ',') {
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if (*++name == '\0')
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break;
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++name;
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continue;
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}
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