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-rw-r--r--src/common/TextTable.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common/TextTable.cc b/src/common/TextTable.cc
index cacb59ce8b3..4aef2f94ea7 100644
--- a/src/common/TextTable.cc
+++ b/src/common/TextTable.cc
@@ -15,7 +15,7 @@
using namespace std;
-void TextTable::define_column(const string heading,
+void TextTable::define_column(const string &heading,
enum TextTable::Align hd_align,
enum TextTable::Align col_align)
{