Canonicalize header guards into a common format.

Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215558 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Object/ELFObjectFile.h

@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_OBJECT_ELF_OBJECT_FILE_H
-#define LLVM_OBJECT_ELF_OBJECT_FILE_H
+#ifndef LLVM_OBJECT_ELFOBJECTFILE_H
+#define LLVM_OBJECT_ELFOBJECTFILE_H
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/PointerIntPair.h"

include/llvm/Object/ELFTypes.h

@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_OBJECT_ELF_TYPES_H
-#define LLVM_OBJECT_ELF_TYPES_H
+#ifndef LLVM_OBJECT_ELFTYPES_H
+#define LLVM_OBJECT_ELFTYPES_H
 
 #include "llvm/Support/AlignOf.h"
 #include "llvm/Support/DataTypes.h"

include/llvm/Object/IRObjectFile.h

@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_OBJECT_IR_OBJECT_FILE_H
-#define LLVM_OBJECT_IR_OBJECT_FILE_H
+#ifndef LLVM_OBJECT_IROBJECTFILE_H
+#define LLVM_OBJECT_IROBJECTFILE_H
 
 #include "llvm/Object/SymbolicFile.h"
 

include/llvm/Object/SymbolicFile.h

@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_OBJECT_SYMBOLIC_FILE_H
-#define LLVM_OBJECT_SYMBOLIC_FILE_H
+#ifndef LLVM_OBJECT_SYMBOLICFILE_H
+#define LLVM_OBJECT_SYMBOLICFILE_H
 
 #include "llvm/Object/Binary.h"