Make sure we actually override ReadHeaderFileInfo when we meant to

llvm-svn: 98655
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 3bf1fab..04cbcb7 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -83,7 +83,7 @@
     return false;
   }
 
-  virtual void ReadHeaderFileInfo(const HeaderFileInfo &HFI) {
+  virtual void ReadHeaderFileInfo(const HeaderFileInfo &HFI, unsigned ID) {
     HSI.setHeaderFileInfoForUID(HFI, NumHeaderInfos++);
   }