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Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_map_field.cc')
-rw-r--r--src/google/protobuf/compiler/cpp/cpp_map_field.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_map_field.cc b/src/google/protobuf/compiler/cpp/cpp_map_field.cc
index c0e172b2..5c4b56f7 100644
--- a/src/google/protobuf/compiler/cpp/cpp_map_field.cc
+++ b/src/google/protobuf/compiler/cpp/cpp_map_field.cc
@@ -230,7 +230,7 @@ GenerateMergeFromCodedStream(io::Printer* printer) const {
"->AddLengthDelimited($number$, data);\n");
} else {
printer->Print(variables_,
- " unknown_fields_stream.WriteVarint32($tag$);\n"
+ " unknown_fields_stream.WriteVarint32($tag$u);\n"
" unknown_fields_stream.WriteVarint32(data.size());\n"
" unknown_fields_stream.WriteString(data);\n");
}