Replace versioned Unicode header paths with UNICODE_HDR_DIR

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/update-deps

@@ -205,6 +205,7 @@ def in_makefile(target, source)
     when *FILES_SAME_NAME_TOP then source2 = "$(top_srcdir)/#{source}"
     when %r{\A\.ext/include/[^/]+/ruby/} then source2 = $'
     when %r{\Ainclude/ruby/} then source2 = $'
+    when %r{\Aenc/unicode/[\d.]+/} then source2 = '$(UNICODE_HDR_DIR)/' + $'
     when %r{\Aenc/} then source2 = source
     else source2 = "$(top_srcdir)/#{source}"
     end