silence VC++ warnings, patch by Hartmut Kaiser

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41694 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Driver/clang.h b/Driver/clang.h
index 717d8886feeb3e41c0e6b2235398149c6185c827..06d49639e000a57fc46c17e0d0101147ab934f58 100644 (file)
--- a/Driver/clang.h
+++ b/Driver/clang.h
@@ -16,7 +16,7 @@
 
 namespace clang {
 class Preprocessor;
-class LangOptions;
+struct LangOptions;
 class MinimalAction;
 class TargetInfo;
 class Diagnostic;