compctld memory_limits(): Fix retrieving total memory amount

compctld.c

@@ -30,7 +30,9 @@ memory_limits(size_t *minuser, size_t *mincomp, size_t *maxcomp, size_t *total)
 	char line[1024];
 	while (fgets(line, sizeof(line), f)) {
 		if (begins_with("MemTotal:", line)) {
+			*total = 0;
 			sscanf(line, "MemTotal:%zu", total);
+			*total *= 1024;
 			break;
 		}
 	}