Sort the #include lines for tools/...

Again, tools are trickier to pick the main module header for than
library source files. I've started to follow the pattern of using
LLVMContext.h when it is included as a stub for program source files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169252 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-link/llvm-link.cpp b/tools/llvm-link/llvm-link.cpp
index 378a833..d02fca2 100644
--- a/tools/llvm-link/llvm-link.cpp
+++ b/tools/llvm-link/llvm-link.cpp
@@ -13,18 +13,18 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Linker.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
 #include "llvm/Analysis/Verifier.h"
 #include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/LLVMContext.h"
+#include "llvm/Module.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Support/SystemUtils.h"
 #include "llvm/Support/IRReader.h"
-#include "llvm/Support/Signals.h"
+#include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Path.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/ToolOutputFile.h"
 #include <memory>
 using namespace llvm;