[fractal/fractal-next] Fix warnings

[Julian Sparber <jsparber src gnome org>]

commit d987bfcc8ef06164c5ef902bc66960a8e7df2a6f
Author: Kai A. Hiller <V02460 gmail com>
Date:   Sat Jul 10 15:50:54 2021 +0200

    Fix warnings

 src/main.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/main.rs b/src/main.rs
index d837c266..f714ef3d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -39,8 +39,8 @@ fn main() {
 
     // Prepare i18n
     setlocale(LocaleCategory::LcAll, "");
-    bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
-    textdomain(GETTEXT_PACKAGE);
+    bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR).expect("Invalid argument passed to bindtextdomain");
+    textdomain(GETTEXT_PACKAGE).expect("Invalid string passed to textdomain");
 
     gtk::glib::set_application_name("Fractal");
     gtk::glib::set_prgname(Some("fractal"));