[ruby-cvs:54890] nobu:r47742 (trunk): common.mk: update only non-existing files

[nobu at ruby-lang.org]

nobu	2014-09-30 10:17:01 +0900 (Tue, 30 Sep 2014)

  New Revision: 47742

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47742

  Log:
    common.mk: update only non-existing files
    
    * common.mk (update-config_files): update only non-existing files,
      and get rid of trying to download existing files every time.
      gitweb does not send Last-Modified header.

  Modified files:
    trunk/common.mk