Merge avr_isp from https://github.com/xMasterX/all-the-plugins

avr_isp/.gitsubtree

@@ -1,2 +1,2 @@
-https://github.com/xMasterX/all-the-plugins dev base_pack/avr_isp_programmer 4558d74c9da36abc851edd96a95d18f7d5511a75
+https://github.com/xMasterX/all-the-plugins dev base_pack/avr_isp_programmer 17bec3e26b8250c59acebd4fa52b6b08f68152d7
 https://github.com/flipperdevices/flipperzero-good-faps dev avr_isp_programmer b791dea234f855155027bb46215dc60f3ddeb243

avr_isp/helpers/avr_isp_worker.c

@@ -55,6 +55,7 @@ static const CdcCallbacks cdc_cb = {
     vcp_state_callback,
     vcp_on_cdc_control_line,
     vcp_on_line_config,
+    NULL,
 };
 
 /* VCP callbacks */