VTOL: Header cleanup

src/modules/vtol_att_control/standard.cpp

@@ -44,6 +44,8 @@
 #include "standard.h"
 #include "vtol_att_control_main.h"
 
+#include <float.h>
+
 Standard::Standard(VtolAttitudeControl *attc) :
 	VtolType(attc),
 	_flag_enable_mc_motors(true),

src/modules/vtol_att_control/vtol_type.cpp

@@ -42,6 +42,7 @@
 #include "vtol_type.h"
 #include "drivers/drv_pwm_output.h"
 #include <px4_defines.h>
+#include <float.h>
 #include "vtol_att_control_main.h"
 
 VtolType::VtolType(VtolAttitudeControl *att_controller) :