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.

llvm-svn: 169252

llvm/tools/llvm-readobj/llvm-readobj.cpp

@@ -16,16 +16,16 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Object/ObjectFile.h"
-#include "llvm/Object/ELF.h"
-#include "llvm/Analysis/Verifier.h"
 #include "llvm/ADT/Triple.h"
-#include "llvm/Support/Format.h"
+#include "llvm/Analysis/Verifier.h"
+#include "llvm/Object/ELF.h"
+#include "llvm/Object/ObjectFile.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/Signals.h"
+#include "llvm/Support/Format.h"
 #include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
 
 using namespace llvm;
 using namespace llvm::object;