attempts to make wxCondition::Broadcast() and Signal() work simultaneously - currently they do but something else doesn't

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13931 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/thread.h

@@ -99,8 +99,6 @@ public:
     bool IsLocked() const { return (m_locked > 0); }
 
 protected:
-    friend class wxCondition;
-
     // no assignment operator nor copy ctor
     wxMutex(const wxMutex&);
     wxMutex& operator=(const wxMutex&);
@@ -237,6 +235,11 @@ public:
         // wakes up all threads waiting on this condition
     void Broadcast();
 
+#ifdef __WXDEBUG__
+    // for debugging purposes only
+    void *GetId() const { return m_internal; }
+#endif // __WXDEBUG__
+
 private:
     wxConditionInternal *m_internal;
 };