moved ~ backup file cleanup to distclean target from clean target

Makefile.in

@@ -322,7 +322,6 @@ configure: configure.in
 clean: clean-cig clean-scsh
 	-rm -f $(VM) *.o TAGS $(IMAGE) *.tmp script $(MANPAGE) \
 	    link/*.image debug/*.image debug/*.debug mini mini-heap.c
-	-find . -name '*~' -o -name '#*'  -o -name core -exec rm {} \;
 
 clean-cig:
 	-rm -f cig/*.o $(CIG) $(CIG).image $(LIBCIG)
@@ -331,6 +330,7 @@ distclean: clean
 	$(RM) Makefile sysdep.h config.status config.log config.cache \
 		scsh/machine scsh/regexp/Makefile scsh/endian.scm \
 		exportlist.aix
+	-find . -name '*~' -o -name '#*'  -o -name core -exec rm {} \;
 
 man:	$(MANPAGE)