Unify naming of LangOptions variable/get function across the Clang stack (Lex to AST).

The member variable is always "LangOpts" and the member function is always "getLangOpts".

Reviewed by Chris Lattner

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152536 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Rewrite/RewriteMacros.cpp b/lib/Rewrite/RewriteMacros.cpp
index 74400c7..3fa0bdb 100644
--- a/lib/Rewrite/RewriteMacros.cpp
+++ b/lib/Rewrite/RewriteMacros.cpp
@@ -66,7 +66,7 @@
   // Create a lexer to lex all the tokens of the main file in raw mode.  Even
   // though it is in raw mode, it will not return comments.
   const llvm::MemoryBuffer *FromFile = SM.getBuffer(SM.getMainFileID());
-  Lexer RawLex(SM.getMainFileID(), FromFile, SM, PP.getLangOptions());
+  Lexer RawLex(SM.getMainFileID(), FromFile, SM, PP.getLangOpts());
 
   // Switch on comment lexing because we really do want them.
   RawLex.SetCommentRetentionState(true);
@@ -91,7 +91,7 @@
   SourceManager &SM = PP.getSourceManager();
 
   Rewriter Rewrite;
-  Rewrite.setSourceMgr(SM, PP.getLangOptions());
+  Rewrite.setSourceMgr(SM, PP.getLangOpts());
   RewriteBuffer &RB = Rewrite.getEditBuffer(SM.getMainFileID());
 
   std::vector<Token> RawTokens;