Remove stray comma

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136783 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Serialization/ASTBitCodes.h b/include/clang/Serialization/ASTBitCodes.h
index 70a323a..51146f0 100644
--- a/include/clang/Serialization/ASTBitCodes.h
+++ b/include/clang/Serialization/ASTBitCodes.h
@@ -670,7 +670,7 @@
     /// it is created.
     enum PredefinedDeclIDs {
       /// \brief The NULL declaration.
-      PREDEF_DECL_NULL_ID       = 0,
+      PREDEF_DECL_NULL_ID       = 0
     };
 
     /// \brief The number of declaration IDs that are predefined.