Update mclinker for LLVM rebase to r222494.

This corresponds to the following upstream mclinker change:

commit b2f1691276052c4215abf36715d43248d6337cf8
Author: Diana Chen <mysekki@gmail.com>
Date:   Tue Nov 25 14:03:29 2014 +0800

    option: Allow `-hash-style' can be specified zero or more times

Change-Id: I332546680bb45cf9692adfa2c2d3dcdc84361afc
diff --git a/unittests/ELFBinaryReaderTest.h b/unittests/ELFBinaryReaderTest.h
index a9ea042..bc8ee71 100644
--- a/unittests/ELFBinaryReaderTest.h
+++ b/unittests/ELFBinaryReaderTest.h
@@ -16,9 +16,8 @@
 
 namespace test {
 
-class ELFBinaryReaderTest : public ::testing::Test
-{
-public:
+class ELFBinaryReaderTest : public ::testing::Test {
+ public:
   // Constructor can do set-up work for all test here.
   ELFBinaryReaderTest();
 
@@ -32,8 +31,7 @@
   virtual void TearDown();
 };
 
-} // namespace of test
-} // namespace of mcld
+}  // namespace of test
+}  // namespace of mcld
 
 #endif
-