condition_variable.cc (~condition_variable): Drop unused variable.

libstdc++-v3/

	* src/condition_variable.cc (~condition_variable): Drop unused
	variable.

From-SVN: r136809

libstdc++-v3/ChangeLog

+2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* src/condition_variable.cc (~condition_variable): Drop unused
+	variable.
+
 2008-06-13  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* include/bits/stl_deque.h (deque<>::push_back(_Args&&...),

libstdc++-v3/src/condition_variable.cc

@@ -49,7 +49,7 @@ namespace std
   {
 #if __GTHREAD_HAS_COND
     // XXX no thread blocked
-    int __e = pthread_cond_destroy(&_M_cond);
+    /* int __e = */ pthread_cond_destroy(&_M_cond);
     // if __e == EBUSY then blocked
 #endif
   }