Fix build dependencies

README.md

@@ -4,9 +4,9 @@ ESPurna ("spark" in Catalan) is a custom firmware for ESP8285/ESP8266 based smar
 It uses the Arduino Core for ESP8266 framework and a number of 3rd party libraries.
 
 [![version](https://img.shields.io/badge/version-1.13.1a-brightgreen.svg)](CHANGELOG.md)
-[![branch](https://img.shields.io/badge/branch-rfm69-orange.svg)](https://github.com/xoseperez/espurna/tree/rfm69/)
-[![travis](https://travis-ci.org/xoseperez/espurna.svg?branch=rfm69)](https://travis-ci.org/xoseperez/espurna)
-[![codacy](https://img.shields.io/codacy/grade/c9496e25cf07434cba786b462cb15f49/rfm69.svg)](https://www.codacy.com/app/xoseperez/espurna/dashboard)
+[![branch](https://img.shields.io/badge/branch-dev-orange.svg)](https://github.com/xoseperez/espurna/tree/dev/)
+[![travis](https://travis-ci.org/xoseperez/espurna.svg?branch=dev)](https://travis-ci.org/xoseperez/espurna)
+[![codacy](https://img.shields.io/codacy/grade/c9496e25cf07434cba786b462cb15f49/dev.svg)](https://www.codacy.com/app/xoseperez/espurna/dashboard)
 [![license](https://img.shields.io/github/license/xoseperez/espurna.svg)](LICENSE)
 <br />
 [![donate](https://img.shields.io/badge/donate-PayPal-blue.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=xose%2eperez%40gmail%2ecom&lc=US&no_note=0&currency_code=EUR&bn=PP%2dDonationsBF%3abtn_donate_LG%2egif%3aNonHostedGuest)

code/espurna/config/prototypes.h

@@ -122,7 +122,11 @@ template<typename T> void domoticzSend(const char * key, T nvalue, const char *
 // -----------------------------------------------------------------------------
 // RFM69
 // -----------------------------------------------------------------------------
+#if RFM69_SUPPORT
 #include "RFM69Manager.h"
+#else
+#define packet_t char // prevents compiler complains
+#endif
 
 // -----------------------------------------------------------------------------
 // Utils