Add the original mk (make) files for ICU 52

icu52/source/data/sprep/sprepfiles.mk

+# *   Copyright (C) 2009, 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 'brklocal.mk' file in this same directory.
+# Then, you can have your local changes remain even if you upgrade or
+# reconfigure ICU.
+#
+# Example 'spreplocal.mk' files:
+#
+#  * To add an additional locale to the list: 
+#    _____________________________________________________
+#    |  SPREP_SOURCE_LOCAL =   myStringPrep.txt ...
+#
+#  * To REPLACE the default list and only build a subset of files:
+#    _____________________________________________________
+#    |  SPREP_SOURCE = rfc4518.txt
+#
+#
+SPREP_SOURCE = \
+rfc3491.txt rfc3530cs.txt rfc3530csci.txt rfc3530mixp.txt rfc3722.txt \
+rfc3920node.txt rfc3920res.txt rfc4011.txt rfc4013.txt rfc4505.txt \
+rfc4518.txt rfc4518ci.txt