Make sure to initialize field.  Hopefully this will fix some test failures on Windows.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138880 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 65a5b99..b285660 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -77,6 +77,7 @@
   // Default to discarding comments.
   KeepComments = false;
   KeepMacroComments = false;
+  SuppressIncludeNotFoundError = false;
 
   // Macro expansion is enabled.
   DisableMacroExpansion = false;