Apply changes to migrate to upstream (Nov 25th 2011).

- HandleTopLevelDecl now returns bool.
- Additional APValue::MemberPointer case for switching.

Change-Id: Ieb7a693f96b07b7659712a3ab0abd200ce7df505
diff --git a/slang_rs_backend.h b/slang_rs_backend.h
index 49d4f00..c984ae7 100644
--- a/slang_rs_backend.h
+++ b/slang_rs_backend.h
@@ -63,7 +63,7 @@
     return mContext->getTargetAPI();
   }
 
-  virtual void HandleTopLevelDecl(clang::DeclGroupRef D);
+  virtual bool HandleTopLevelDecl(clang::DeclGroupRef D);
 
   virtual void HandleTranslationUnitPre(clang::ASTContext &C);