Create a RuntimeVariable for this C variable originating from C user code

Property definitions

nitc :: light $ AbstractCompilerVisitor :: var_from_c
	# Create a `RuntimeVariable` for this C variable originating from C user code
	private fun var_from_c(name: String, mtype: MType): RuntimeVariable
	do
		if mtype.is_cprimitive then
			return new RuntimeVariable(name, mtype, mtype)
		else
			return new RuntimeVariable("{name}->value", mtype, mtype)
		end
	end
src/compiler/compiler_ffi/light.nit:247,2--255,4