Tooling.cpp: Reorder inclusions according to the conding standards.

llvm-svn: 154016
diff --git a/clang/lib/Tooling/Tooling.cpp b/clang/lib/Tooling/Tooling.cpp
index 6c9c32d..4fa98aa 100644
--- a/clang/lib/Tooling/Tooling.cpp
+++ b/clang/lib/Tooling/Tooling.cpp
@@ -14,9 +14,6 @@
 
 #include "clang/Tooling/Tooling.h"
 #include "clang/Tooling/CompilationDatabase.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/raw_ostream.h"
 #include "clang/Driver/Compilation.h"
 #include "clang/Driver/Driver.h"
 #include "clang/Driver/Tool.h"
@@ -24,7 +21,10 @@
 #include "clang/Frontend/FrontendAction.h"
 #include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/TextDiagnosticPrinter.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/raw_ostream.h"
 
 namespace clang {
 namespace tooling {