PATCH, libjava: eliminate warning

This warning was introduced by Andrew's Nov 17 patch.
Okay for mainline?

Ben

2009-11-26  Ben Elliston  <[email protected]>

	* posix-threads.cc (ParkHelper::unpark): Do not initialise result,
	but assign it instead. Eliminates an unused variable warning when
	the result == 0 assertion is disabled.

Index: posix-threads.cc
===================================================================
--- posix-threads.cc	(revision 154668)
+++ posix-threads.cc	(working copy)
@@ -365,8 +365,9 @@ ParkHelper::unpark ()
   if (compare_and_swap
       (ptr, Thread::THREAD_PARK_PARKED, Thread::THREAD_PARK_RUNNING))
     {
+      int result;
       pthread_mutex_lock (&mutex);
-      int result = pthread_cond_signal (&cond);
+      result = pthread_cond_signal (&cond);
       pthread_mutex_unlock (&mutex);
       JvAssert (result == 0);
     }