Simplify PreprocessorOptions, it doesn't need abstracted field access.

llvm-svn: 89047
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index 2629b44..ff63a0d 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -90,10 +90,10 @@
       goto failure;
 
     /// Use PCH?
-    if (!CI.getPreprocessorOpts().getImplicitPCHInclude().empty()) {
+    if (!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
       assert(hasPCHSupport() && "This action does not have PCH support!");
       CI.createPCHExternalASTSource(
-        CI.getPreprocessorOpts().getImplicitPCHInclude());
+        CI.getPreprocessorOpts().ImplicitPCHInclude);
       if (!CI.getASTContext().getExternalSource())
         goto failure;
     }