etc/tune.c: add missing break
diff --git a/etc/tune.c b/etc/tune.c
index 9038c78..0b1a6c7 100644
--- a/etc/tune.c
+++ b/etc/tune.c
@@ -495,6 +495,7 @@ int main(int argc, char **argv)
i++;
str = endptr + 1;
TOOM_SQR_CUTOFF = (int)val;
+ break;
case 'h':
default:
s_usage(argv[0]);