* BaseChatMesh::sendMessage(), new est_timeout (OUT) param

src/helpers/BaseChatMesh.h

@@ -97,7 +97,7 @@ protected:
 
 public:
   mesh::Packet* createSelfAdvert(const char* name);
-  int  sendMessage(const ContactInfo& recipient, uint32_t timestamp, uint8_t attempt, const char* text, uint32_t& expected_ack);
+  int  sendMessage(const ContactInfo& recipient, uint32_t timestamp, uint8_t attempt, const char* text, uint32_t& expected_ack, uint32_t& est_timeout);
   void resetPathTo(ContactInfo& recipient);
   void scanRecentContacts(int last_n, ContactVisitor* visitor);
   ContactInfo* searchContactsByPrefix(const char* name_prefix);