qt5 compile fix

psi-im · Mar 16, 2024 · b84c1d2 · b84c1d2
1 parent 561b61c
commit b84c1d2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/tools/optionstree/optionstree.h b/src/tools/optionstree/optionstree.h
@@ -21,6 +21,7 @@
 #define OPTIONSTREE_H
 
 #include "varianttree.h"
+#include <optional>
 
 /**
  * \class OptionsTree