Support GTest for FreeBSD platforms (9.x)

Patch by Viktor Kutuzov!

llvm-svn: 201683
diff --git a/llvm/utils/unittest/googletest/README.LLVM b/llvm/utils/unittest/googletest/README.LLVM
index 1a6f0f5..16bfffd 100644
--- a/llvm/utils/unittest/googletest/README.LLVM
+++ b/llvm/utils/unittest/googletest/README.LLVM
@@ -16,6 +16,7 @@
 $ mv COPYING LICENSE.TXT
 
 Modified as follows:
+* Added support for FreeBSD.
 * To GTestStreamToHelper in include/gtest/internal/gtest-internal.h,
   added the ability to stream with raw_os_ostream.
 * To refresh Haiku support in include/gtest/internal/gtest-port.h,