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-rw-r--r--libqpdf/QPDF.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
index bb9b511d..f690d30a 100644
--- a/libqpdf/QPDF.cc
+++ b/libqpdf/QPDF.cc
@@ -3011,7 +3011,7 @@ QPDF::findAttachmentStreams()
return;
}
QPDFNameTreeObjectHelper ef_tree(embedded_files, *this);
- for (auto i: ef_tree)
+ for (auto const& i: ef_tree)
{
QPDFObjectHandle item = i.second;
if (item.isDictionary() &&