Bugfix for not defining FTP_ENABLE

src/main.cpp

@@ -2941,6 +2941,7 @@ void doRfidCardModifications(const uint32_t mod) {
                 break;
         #endif
         case ENABLE_FTP_SERVER:
+            #ifdef FTP_ENABLE
                 if (wifiManager() == WL_CONNECTED && !ftpEnableLastStatus && !ftpEnableCurrentStatus) {
                     ftpEnableLastStatus = true;
                     #ifdef NEOPIXEL_ENABLE
@@ -2952,7 +2953,7 @@ void doRfidCardModifications(const uint32_t mod) {
                         loggerNl(serialDebug, (char *) FPSTR(unableToStartFtpServer), LOGLEVEL_ERROR);
                     #endif
                 }
-
+            #endif
             break;
         default:
             snprintf(logBuf, serialLoglength, "%s %d !", (char *) FPSTR(modificatorDoesNotExist), mod);