--- 1.49beta\boost\logic\tribool.hpp	2012-02-24 10:12:08.308733900 -0600
+++ 1.50maybe\boost\logic\tribool.hpp	2012-02-24 10:21:29.601733900 -0600
@@ -93,7 +93,7 @@
    *
    * \throws nothrow
    */
-  tribool(bool value) : value(value? true_value : false_value) {}
+  tribool(bool param_value) : value(param_value? true_value : false_value) {}

   /**
    * Construct a new 3-state boolean value with an indeterminate value.