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-rw-r--r--src/Patchage.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Patchage.cpp b/src/Patchage.cpp
index a846a20..b5f621e 100644
--- a/src/Patchage.cpp
+++ b/src/Patchage.cpp
@@ -392,7 +392,7 @@ Patchage::warning_msg(const std::string& msg)
void
Patchage::update_state()
{
- for (FlowCanvas::Canvas::Items::iterator i = _canvas->items().begin();
+ for (FlowCanvas::Canvas::Items::const_iterator i = _canvas->items().begin();
i != _canvas->items().end(); ++i) {
FlowCanvas::Module* module = dynamic_cast<FlowCanvas::Module*>(*i);
if (module)