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-rw-r--r--tools/trace_to_text/utils.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/trace_to_text/utils.h b/tools/trace_to_text/utils.h
index d708e04f7..e027ad10f 100644
--- a/tools/trace_to_text/utils.h
+++ b/tools/trace_to_text/utils.h
@@ -78,7 +78,7 @@ class TraceWriter {
TraceWriter(std::ostream* output);
virtual ~TraceWriter();
- void Write(std::string s);
+ void Write(const std::string& s);
virtual void Write(const char* data, size_t sz);
private: