uptime: Add missing brace

components/uptime.c

@@ -49,7 +49,7 @@ format(int uptime)
 
 		size = sizeof(boottime);
 
-		if (sysctl(mib, 2, &boottime, &size, NULL, 0) == -1)
+		if (sysctl(mib, 2, &boottime, &size, NULL, 0) == -1) {
 			fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno));
 			return NULL;
 		}