fixup! tools: build a tools copy of make (which the build will automatically use)

@@ -10,11 +10,10 @@
 #
 
 # Copyright 2015, Richard Lowe.
 
 MAKE_INCLUDE= $(SRC)/cmd/make/include
-$(RELEASE_BUILD)MAKE_DEFS += -DNDEBUG
 
 CC = $(NATIVECC)
 CCC = $(NATIVECCC)
 CFLAGS = $(NATIVE_CFLAGS)
 CFLAGS += $(CCVERBOSE)