Fix debugged and traced Makefile targets

#185 replaced the `-drop-pass <re>` compile-time option
with `-disable-pass <re>`, but these Makefile targets were not
updated.

Makefile.in

@@ -125,7 +125,7 @@ constants:
 
 .PHONY: debugged
 debugged:
-	$(MAKE) -C "$(COMP)" "AOUT=$(AOUT).debug" COMPILE_ARGS="-debug true -const 'Exn.keepHistory true' -profile-val true -const 'MLton.debug true' -drop-pass 'deepFlatten'"
+	$(MAKE) -C "$(COMP)" "AOUT=$(AOUT).debug" COMPILE_ARGS="-debug true -const 'Exn.keepHistory true' -profile-val true -const 'MLton.debug true' -disable-pass 'deepFlatten'"
 	$(CP) "$(COMP)/$(AOUT).debug" "$(LIB)/"
 	$(SED) 's/mlton-compile/mlton-compile.debug/' < "$(MLTON)" > "$(MLTON).debug"
 	chmod a+x "$(MLTON).debug"
@@ -269,7 +269,7 @@ smlnj-mlton-x16:
 
 .PHONY: traced
 traced:
-	$(MAKE) -C "$(COMP)" "AOUT=$(AOUT).trace" COMPILE_ARGS="-const 'Exn.keepHistory true' -profile-val true -const 'MLton.debug true' -drop-pass 'deepFlatten'"
+	$(MAKE) -C "$(COMP)" "AOUT=$(AOUT).trace" COMPILE_ARGS="-const 'Exn.keepHistory true' -profile-val true -const 'MLton.debug true' -disable-pass 'deepFlatten'"
 	$(CP) "$(COMP)/$(AOUT).trace" "$(LIB)/"
 	sed 's/mlton-compile/mlton-compile.trace/' < "$(MLTON)" > "$(MLTON).trace"
 	chmod a+x "$(MLTON).trace"