Fix checking aliases.
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@ -63,7 +63,7 @@ int main(int argc, char **argv) {
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fprintf(stderr, "Canonical name doesn't contain a dot.\n");
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fprintf(stderr, "Please shoot the administrator of this box.\n");
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fprintf(stderr, "In the mean time I try to find a suitable alias.\n");
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for (a = he->h_aliases; !found && a; a++) {
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for (a = he->h_aliases; !found && *a; a++) {
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if (strchr(*a, '.')) {
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printf("%s\n", *a);
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found = 1;
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