clean autogenerated files

* enc/depend (clean, clean-srcs): fix path of name2ctype.h, and
  remove casefold.h too.

* enc/jis/props.h: autogenerated file.
  [ruby-core:80823] [Bug #13493]

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/trunk@58438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

enc/depend

@@ -158,7 +158,7 @@ clean:
 % end
 % @ignore_error = $nmake ? '' : ' 2> /dev/null || true'
 % unless inplace
- $(Q)$(RM) enc/unicode/name2ctype.h
+ $(Q)$(RM) enc/unicode/*/casefold.h enc/unicode/*/name2ctype.h
  $(Q)$(RM) enc/jis/props.h
  -$(Q)$(RMDIR) enc/unicode<%=@ignore_error%>
 % end
@@ -169,7 +169,7 @@ clean:
 clean-srcs:
  $(Q)$(RM) <%=pathrep['$(TRANSCSRCS)']%>
  -$(Q)$(RMDIR) <%=pathrep['enc/trans']%><%=@ignore_error%>
- $(Q)$(RM) enc/unicode/name2ctype.h
+ $(Q)$(RM) enc/unicode/*/casefold.h enc/unicode/*/name2ctype.h
  $(Q)$(RM) enc/jis/props.h
  -$(Q)$(RMDIR) <%=pathrep['enc/unicode']%><%=@ignore_error%>
  -$(Q)$(RMDIR) <%=pathrep['enc/props']%><%=@ignore_error%>