Use $(RM) instead of rm -f

git-svn-id: svn://svn.cc65.org/cc65/trunk@2402 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/sim65/make/gcc.mak

@@ -51,11 +51,11 @@ chips:
 
 clean:
 	@$(MAKE) -C chips -f make/gcc.mak clean
-	rm -f *~ core *.lst
+	$(RM) *~ core *.lst
 
 zap:  	clean
 	@$(MAKE) -C chips -f make/gcc.mak zap
-	rm -f *.o $(EXECS) .depend
+	$(RM) *.o $(EXECS) .depend
 
 # ------------------------------------------------------------------------------
 # Make the dependencies