Tweak include order

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166521 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Tooling/RefactoringCallbacksTest.cpp b/unittests/Tooling/RefactoringCallbacksTest.cpp
index 7add385..4e30cfd 100644
--- a/unittests/Tooling/RefactoringCallbacksTest.cpp
+++ b/unittests/Tooling/RefactoringCallbacksTest.cpp
@@ -10,8 +10,8 @@
 #include "clang/ASTMatchers/ASTMatchers.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
 #include "clang/Tooling/RefactoringCallbacks.h"
-#include "gtest/gtest.h"
 #include "RewriterTestContext.h"
+#include "gtest/gtest.h"
 
 namespace clang {
 namespace tooling {