Sort the #include lines for unittest/...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169250 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp
index 117b820..ff350a7 100644
--- a/unittests/ADT/APFloatTest.cpp
+++ b/unittests/ADT/APFloatTest.cpp
@@ -7,14 +7,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include <ostream>
-#include <string>
-#include "llvm/Support/raw_ostream.h"
-#include "gtest/gtest.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/APSInt.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/raw_ostream.h"
+#include "gtest/gtest.h"
+#include <ostream>
+#include <string>
 
 using namespace llvm;