Espurna fixes for Linux build

Controllers/EspurnaController/EspurnaController.cpp

@@ -22,14 +22,10 @@ EspurnaController::~EspurnaController()
 void EspurnaController::Initialize(char* ledstring)
 {
     LPSTR   apikey = NULL;
-    LPSTR   numleds = NULL;
     LPSTR   source = NULL;
     LPSTR   udpport_baud = NULL;
     LPSTR   next = NULL;
     
-    //Assume serial device unless a different protocol is specified
-    bool    serial = TRUE;
-    
     source = strtok_s(ledstring, ",", &next);
     
     //Check for either the UDP port or the serial baud rate