New issue by imrn on void-packages repository

https://github.com/void-linux/void-packages/issues/18038

Description:
fotoxx complains with the following and exits. It displays a similar dialog
on X too. Both exiftool and xdg-utils are available on the system.

```
bash-5.0# fotoxx
program exe: /usr/bin/fotoxx 
build date/time: Dec  1 2019 11:21:14 
fotoxx home: /home/x/.fotoxx 
start fotoxx Sat Jan  4 21:38:32 
maps folder: missing 
language: en_US 
fotoxx-19.20 
GTK version: 3.24.13 
Please install missing programs:
 exiftool (or libimage-exiftool-perl)
 xdg-utils 
quit 

(fotoxx:9392): Gtk-CRITICAL **: 21:38:38.254: gtk_main_quit: assertion main_loops != NULL failed
Fotoxx normal exit 

```