Use EmitInt, not Emit, to emit unsigned values

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60364 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/StmtSerialization.cpp b/lib/AST/StmtSerialization.cpp
index 3cf1f54..40f5b3f 100644
--- a/lib/AST/StmtSerialization.cpp
+++ b/lib/AST/StmtSerialization.cpp
@@ -1445,8 +1445,8 @@
 void CXXNewExpr::EmitImpl(Serializer& S) const {
   S.Emit(getType());
   S.Emit(Initializer);
-  S.Emit(NumPlacementArgs);
-  S.Emit(NumConstructorArgs);
+  S.EmitInt(NumPlacementArgs);
+  S.EmitInt(NumConstructorArgs);
   S.BatchEmitOwnedPtrs(NumPlacementArgs + NumConstructorArgs, SubExprs);
   assert((OperatorNew == 0 || S.isRegistered(OperatorNew)) &&
          (OperatorDelete == 0 || S.isRegistered(OperatorDelete)) &&