Make sure to initialize an ivar, patch by Benoit Boissinot.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@40027 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Lex/IdentifierTable.cpp b/Lex/IdentifierTable.cpp
index 4c6516d..c12fdef 100644
--- a/Lex/IdentifierTable.cpp
+++ b/Lex/IdentifierTable.cpp
@@ -31,6 +31,7 @@
   IsPoisoned = false;
   IsOtherTargetMacro = false;
   IsCPPOperatorKeyword = false;
+  IsNonPortableBuiltin = false;
   FETokenInfo = 0;
 }