--- /Users/Orca/Downloads/boost_1_42_0/boost/thread/locks.hpp	2009-10-30 12:50:13.000000000 +0300
+++ /usr/local/include/boost/thread/locks.hpp	2010-02-13 21:22:41.000000000 +0300
@@ -266,7 +266,7 @@
         unique_lock& operator=(unique_lock&& other)
         {
             unique_lock temp(other.move());
-            swap(temp);
+            swap(std::move(temp));
             return *this;
         }