From f64c6f9ba1395704ce444eaced7d43bb895d66ae Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Wed, 14 Apr 2021 11:34:04 +1000
Subject: [PATCH] APM_Control: fixed cygwin build

FF0 is a macro in cygwin
---
 libraries/APM_Control/AP_AutoTune.cpp | 2 +-
 libraries/APM_Control/AP_AutoTune.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/APM_Control/AP_AutoTune.cpp b/libraries/APM_Control/AP_AutoTune.cpp
index d1bfe86795..98ad583655 100644
--- a/libraries/APM_Control/AP_AutoTune.cpp
+++ b/libraries/APM_Control/AP_AutoTune.cpp
@@ -239,7 +239,7 @@ void AP_AutoTune::update(AP_Logger::PID_Info &pinfo, float scaler, float angle_e
             actuator : actuator,
             desired_rate : desired_rate,
             actual_rate : actual_rate,
-            FF0: FF_single,
+            FF_single: FF_single,
             FF: current.FF,
             P: current.P,
             I: current.I,
diff --git a/libraries/APM_Control/AP_AutoTune.h b/libraries/APM_Control/AP_AutoTune.h
index e57e8037a0..d523df961d 100644
--- a/libraries/APM_Control/AP_AutoTune.h
+++ b/libraries/APM_Control/AP_AutoTune.h
@@ -28,7 +28,7 @@ public:
         float actuator;
         float desired_rate;
         float actual_rate;
-        float FF0;
+        float FF_single;
         float FF;
         float P;
         float I;