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-rw-r--r--app/combobox_model.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/app/combobox_model.h b/app/combobox_model.h
index 680f1e8..514e712 100644
--- a/app/combobox_model.h
+++ b/app/combobox_model.h
@@ -5,6 +5,8 @@
#ifndef APP_COMBOBOX_MODEL_H_
#define APP_COMBOBOX_MODEL_H_
+#include <string>
+
// The interface for models backing a combobox.
class ComboboxModel {
public: