remove accumulated stray trailing whitespace
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@@ -53,7 +53,7 @@ int read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t
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ifr.ifr_addr.sa_family = AF_INET;
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strncpy(ifr.ifr_name, interface, sizeof(ifr.ifr_name));
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if (addr) {
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if (ioctl_or_perror(fd, SIOCGIFADDR, &ifr,
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if (ioctl_or_perror(fd, SIOCGIFADDR, &ifr,
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"is interface %s up and configured?", interface)
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) {
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close(fd);
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