RRF3.0RC2 final

Increased version number following filament handling changes
Minor changes to avoid build warnings

Author: dc42

src/Heating/Heat.cpp

@@ -95,7 +95,7 @@ Heat::Heat() noexcept
 	{
 		h = -1;
 	}
-#if !DUET3
+#if !defined(DUET3)
 	bedHeaters[0] = DefaultBedHeater;
 #endif
 

src/Movement/DDA.cpp

@@ -1641,7 +1641,10 @@ float DDA::NormaliseXYZ() noexcept
 // Either this move is currently executing (DDARing.currentDDA == this) and the state is 'executing', or we have almost finished preparing it and the state is 'provisional'.
 void DDA::CheckEndstops(Platform& platform) noexcept
 {
+#if SUPPORT_CAN_EXPANSION
 	const bool fromPrepare = (state == DDAState::provisional);		// determine this before anything sets the state to 'completed'
+#endif
+
 	for (;;)
 	{
 		const EndstopHitDetails hitDetails = platform.GetEndstops().CheckEndstops(flags.goingSlow);

src/Version.h

@@ -20,7 +20,7 @@
 #endif
 
 #ifndef DATE
-# define DATE "2019-12-16b7"
+# define DATE "2019-12-16b8"
 #endif
 
 #define AUTHORS "reprappro, dc42, chrishamm, t3p3, dnewman, printm3d"