add new C# files to Makefile.am
diff --git a/Makefile.am b/Makefile.am
index 8778b17..48a064c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -96,11 +96,13 @@
csharp/src/Google.Protobuf.Benchmarks/Program.cs \
csharp/src/Google.Protobuf.Benchmarks/wrapper_benchmark_messages.proto \
csharp/src/Google.Protobuf.Benchmarks/WrapperBenchmarkMessages.cs \
+ csharp/src/Google.Protobuf.Benchmarks/WriteRawPrimitivesBenchmark.cs \
csharp/src/Google.Protobuf.Conformance/Conformance.cs \
csharp/src/Google.Protobuf.Conformance/Google.Protobuf.Conformance.csproj \
csharp/src/Google.Protobuf.Conformance/Program.cs \
csharp/src/Google.Protobuf.JsonDump/Google.Protobuf.JsonDump.csproj \
csharp/src/Google.Protobuf.JsonDump/Program.cs \
+ csharp/src/Google.Protobuf.Test/Buffers/ArrayBufferWriter.cs \
csharp/src/Google.Protobuf.Test/ByteStringTest.cs \
csharp/src/Google.Protobuf.Test/CodedInputStreamExtensions.cs \
csharp/src/Google.Protobuf.Test/CodedInputStreamTest.cs \
@@ -259,6 +261,11 @@
csharp/src/Google.Protobuf/WellKnownTypes/Wrappers.cs \
csharp/src/Google.Protobuf/WellKnownTypes/WrappersPartial.cs \
csharp/src/Google.Protobuf/WireFormat.cs \
+ csharp/src/Google.Protobuf/WritingPrimitivesMessages.cs \
+ csharp/src/Google.Protobuf/WritingPrimitives.cs \
+ csharp/src/Google.Protobuf/WriterInternalState.cs \
+ csharp/src/Google.Protobuf/WriteContext.cs \
+ csharp/src/Google.Protobuf/WriteBufferHelper.cs \
csharp/src/Google.Protobuf/UnknownField.cs \
csharp/src/Google.Protobuf/UnknownFieldSet.cs