use wxCondition::WaitTimeout() instead of Wait() in wxSemaphore::WaitTimeout() as HEAD already does (closes bug 1263806)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@35230 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/threadpsx.cpp

@@ -528,7 +528,7 @@ wxSemaError wxSemaphoreInternal::WaitTimeout(unsigned long milliseconds)
             return wxSEMA_TIMEOUT;
         }
 
-        if ( m_cond.Wait(remainingTime) != wxCOND_NO_ERROR )
+        if ( m_cond.WaitTimeout(remainingTime) != wxCOND_NO_ERROR )
             return wxSEMA_MISC_ERROR;
     }