Check in the pristine copy of ICU 4.6...

icu46/source/data/misc/miscfiles.mk

+# *   Copyright (C) 2003-2010, International Business Machines
+# *   Corporation and others.  All Rights Reserved.
+# A list of txt's to build
+# Note: 
+#
+#   If you are thinking of modifying this file, READ THIS. 
+#
+# Instead of changing this file [unless you want to check it back in],
+# you should consider creating a 'misclocal.mk' file in this same directory.
+# Then, you can have your local changes remain even if you upgrade or re-
+# configure ICU.
+#
+# Example 'misclocal.mk' files:
+#
+#  * To add an additional file to the list: 
+#    _____________________________________________________
+#    |  MISC_SOURCE_LOCAL =   myFile.txt ...
+#
+#  * To REPLACE the default list and only build a subset of files:
+#    _____________________________________________________
+#    |  MISC_SOURCE = zoneinfo.txt
+#
+#
+
+MISC_SOURCE = \
+zoneinfo64.txt supplementalData.txt likelySubtags.txt plurals.txt numberingSystems.txt icuver.txt icustd.txt metaZones.txt windowsZones.txt keyTypeData.txt timezoneTypes.txt