gui: fix Unix build

1 files changed, 1 insertions, 1 deletions

diff --git a/gui/ui.h b/gui/ui.h
index c01b9c49..9c65d6e0 100644
--- a/gui/ui.h
+++ b/gui/ui.h
@@ -116,5 +116,5 @@ public:
     MainWindow();
     ~MainWindow();
     static void set_working_directory();
-    static void warn_on_config_not_writable();
+    void warn_on_config_not_writable();
 };