Pullup ticket #4267 - requested by taca
textproc/icu: security patch

Revisions pulled up:
- textproc/icu/Makefile                                  patch
- textproc/icu/distinfo                                  patch
- textproc/icu/patches/patch-i18n_csrucode.cpp           patch

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Apply patch to fix the security vulnerability reported in CVE-2013-2924.