Restore macro expansion for HTMLPrint by using the original Preprocessor.

This is a workaround until we figure out why a freshly create Preprocessor
doesn't expand macros from headers.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49897 91177308-0d34-0410-b5e6-96231b3b80d8

Driver/HTMLPrint.cpp

@@ -67,7 +67,7 @@ HTMLPrinter::~HTMLPrinter() {
   // for example.
   
   if (PP) html::SyntaxHighlight(R, FileID, *PP);
-  if (PPF) html::HighlightMacros(R, FileID, *PPF);  
+  if (PPF) html::HighlightMacros(R, FileID, *PP);  
   html::EscapeText(R, FileID, false, true);
   
   // Open the output.