fix message display for hotkey zoom confirm spec

changelog.txt

@@ -51,6 +51,7 @@ Template for new versions:
 - `gui/sandbox`: created undead now have a purple shade (after save and reload)
 - `caravan`: fix errors in trade dialog if all fort items are traded away while the trade dialog is showing fort items and the `confirm` trade confirmation is shown
 - `control-panel`: restore non-default values of per-save enabled/disabled settings for repeat-based commands
+- `confirm`: fix confirmation prompt for overwriting a hotkey zoom location
 
 ## Misc Improvements
 - `gui/launcher`: "space space to toggle pause" behavior is skipped if the game was paused when `gui/launcher` came up to prevent accidental unpausing

confirm.lua

@@ -4,6 +4,7 @@ local dialogs = require('gui.dialogs')
 local gui = require('gui')
 local overlay = require('plugins.overlay')
 local specs = reqscript('internal/confirm/specs')
+local utils = require('utils')
 local widgets = require("gui.widgets")
 
 ------------------------
@@ -129,7 +130,7 @@ function ConfirmOverlay:onInput(keys)
                 gui.simulateInput(scr, keys)
                 self.simulating = false
             end
-            dialogs.showYesNoPrompt(conf.title, conf.message:wrap(45), COLOR_YELLOW,
+            dialogs.showYesNoPrompt(conf.title, utils.getval(conf.message):wrap(45), COLOR_YELLOW,
                 propagate_fn, nil, curry(propagate_fn, true), curry(dfhack.run_script, 'gui/confirm', tostring(conf.id)))
             return true
         end