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

llvm-svn: 152536
diff --git a/clang/lib/CodeGen/ModuleBuilder.cpp b/clang/lib/CodeGen/ModuleBuilder.cpp
index bcd3c0c..ea2389e 100644
--- a/clang/lib/CodeGen/ModuleBuilder.cpp
+++ b/clang/lib/CodeGen/ModuleBuilder.cpp
@@ -79,7 +79,7 @@
       
       // In C++, we may have member functions that need to be emitted at this 
       // point.
-      if (Ctx->getLangOptions().CPlusPlus && !D->isDependentContext()) {
+      if (Ctx->getLangOpts().CPlusPlus && !D->isDependentContext()) {
         for (DeclContext::decl_iterator M = D->decls_begin(), 
                                      MEnd = D->decls_end();
              M != MEnd; ++M)