config: fix crash caused by strdup(NULL)
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7b3982eb65
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3a0ee199dc
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@ -235,11 +235,12 @@ XF86OptionPtr
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xf86optionListDup (XF86OptionPtr opt)
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{
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XF86OptionPtr newopt = NULL;
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char *val;
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while (opt)
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{
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newopt = xf86addNewOption(newopt, strdup(opt->opt_name),
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strdup(opt->opt_val));
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val = opt->opt_val ? strdup(opt->opt_val) : NULL;
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newopt = xf86addNewOption(newopt, strdup(opt->opt_name), val);
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newopt->opt_used = opt->opt_used;
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if (opt->opt_comment)
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newopt->opt_comment = strdup(opt->opt_comment);
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