Sort the #include lines for unittest/...

llvm-svn: 169250
diff --git a/llvm/unittests/Support/RegexTest.cpp b/llvm/unittests/Support/RegexTest.cpp
index 38d9595..3577d10 100644
--- a/llvm/unittests/Support/RegexTest.cpp
+++ b/llvm/unittests/Support/RegexTest.cpp
@@ -7,9 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "gtest/gtest.h"
 #include "llvm/Support/Regex.h"
 #include "llvm/ADT/SmallVector.h"
+#include "gtest/gtest.h"
 #include <cstring>
 
 using namespace llvm;