Add missing method to OLED headers

OLED.h

@@ -97,6 +97,9 @@ public:
 	virtual void writeP25Int(const char* source, bool group, unsigned int dest, const char* type);
 	virtual void clearP25Int();
 
+  virtual void writeCWInt();$
+  virtual void clearCWInt();
+
   virtual void close();
 
 private: