Fix include guards so they exactly match file names.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/IR/LLVMContext.h b/include/llvm/IR/LLVMContext.h
index 58fb39f..d4835e0 100644
--- a/include/llvm/IR/LLVMContext.h
+++ b/include/llvm/IR/LLVMContext.h
@@ -12,8 +12,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_LLVMCONTEXT_H
-#define LLVM_LLVMCONTEXT_H
+#ifndef LLVM_IR_LLVMCONTEXT_H
+#define LLVM_IR_LLVMCONTEXT_H
 
 #include "llvm/Support/Compiler.h"