Don't need flog of negative integers

Marc · Marc · commit 2195f44005ae · 2014-12-02T00:07:34.000+13:00
diff --git 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)
