--- a/src/core/bitmath_func.hpp	Mon Dec 10 17:26:49 2007 +0000
+++ b/src/core/bitmath_func.hpp	Mon Dec 10 22:26:24 2007 +0000
@@ -211,7 +211,7 @@
 }
 
 uint8 FindFirstBit(uint32 x);
-uint8 FindLastBit(uint32 x);
+uint8 FindLastBit(uint64 x);
 
 /**
  * Clear the first bit in an integer.