--- icu/makefile.mk.prev	2019-07-03 17:34:47.472805205 +0300
+++ icu/makefile.mk	2019-07-11 14:39:28.061619208 +0300
@@ -43,7 +43,7 @@
 TARFILE_ROOTDIR=icu
 
 PATCH_FILES=${TARFILE_NAME}.patch icu-mp.patch icu-win-layoutex.patch \
-	icu-format-security.patch
+	icu-format-security.patch icu_64_namespace.patch
 
 # ADDITIONAL_FILES=