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-rw-r--r--libqpdf/QPDF_linearization.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libqpdf/QPDF_linearization.cc b/libqpdf/QPDF_linearization.cc
index 9a1c7b05..5739b3a9 100644
--- a/libqpdf/QPDF_linearization.cc
+++ b/libqpdf/QPDF_linearization.cc
@@ -624,7 +624,7 @@ QPDF::maxEnd(ObjUser const& ou)
assert(this->obj_user_to_objects.count(ou) > 0);
std::set<ObjGen> const& ogs = this->obj_user_to_objects[ou];
int end = 0;
- for (std::set<ObjGen>::iterator iter = ogs.begin();
+ for (std::set<ObjGen>::const_iterator iter = ogs.begin();
iter != ogs.end(); ++iter)
{
ObjGen const& og = *iter;