Moved setting otr.warn -> enc.warn

src/ui/ui.h

@@ -288,6 +288,7 @@ void cons_privileges_setting(void);
 void cons_beep_setting(void);
 void cons_flash_setting(void);
 void cons_splash_setting(void);
+void cons_encwarn_setting(void);
 void cons_vercheck_setting(void);
 void cons_occupants_setting(void);
 void cons_roster_setting(void);