[gtk: 1/2] Fix minor typo: Unsupportd -> Unsupported

[Matthias Clasen <matthiasc src gnome org>]

commit e80d938ee51e41859ffd2163b70ccd153de87a89
Author: Yuri Chornoivan <yurchor ukr net>
Date:   Fri Nov 5 18:42:20 2021 +0000

    Fix minor typo: Unsupportd -> Unsupported

 gdk/loaders/gdkpng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gdk/loaders/gdkpng.c b/gdk/loaders/gdkpng.c
index 4d50dfbf83..b998deb144 100644
--- a/gdk/loaders/gdkpng.c
+++ b/gdk/loaders/gdkpng.c
@@ -251,7 +251,7 @@ gdk_load_png (GBytes  *bytes,
       png_destroy_read_struct (&png, &info, NULL);
       g_set_error (error,
                    GDK_TEXTURE_ERROR, GDK_TEXTURE_ERROR_UNSUPPORTED_CONTENT,
-                   _("Unsupportd color type %u in png image"), color_type);
+                   _("Unsupported color type %u in png image"), color_type);
       return NULL;
     }