From 2195f44005aea1dd0155350e54532750d01efb5d Mon Sep 17 00:00:00 2001
From: Marc <mti@protonmail.ch>
Date: Tue, 2 Dec 2014 00:07:34 +1300
Subject: [PATCH] Don't need flog of negative integers

---
 src/2048.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/2048.c b/src/2048.c
index d1c8f1c..558b432 100644
--- a/src/2048.c
+++ b/src/2048.c
@@ -201,7 +201,7 @@ void rand_block()
 }
 
 /* quick floor log2(n) */
-int flog2(int n)
+int flog2(unsigned int n)
 {
     int k = 0;
     while (n)