Fix 32-bit compilation

debian/changelog

+grub2 (2.06-10) unstable; urgency=medium
+
+  * Fix 32-bit build with the osdep/devmapper/getroot patches.
+
+ -- Steve McIntyre <93sam@debian.org>  Fri, 21 Apr 2023 01:14:13 +0100
+
 grub2 (2.06-9) unstable; urgency=medium
 
   [ Steve McIntyre ]

debian/patches/osdep-devmapper-getroot-set-up-cheated-luks2-cryptodisk-mount-from-dm-parameters.patch

@@ -108,7 +108,7 @@ index 2bf4264..cc3f7da 100644
 +                                 params);
 +              cipher = grub_strndup (c, seek_head - c);
 +              if (cipher == NULL)
-+                grub_util_error (_("could not strndup cipher of length `%lu'"), seek_head - c);
++                grub_util_error (_("could not strndup cipher of length `%u'"), seek_head - c);
 +              remaining -= seek_head - c + 1;
 +              c = seek_head + 1;
 +
@@ -119,7 +119,7 @@ index 2bf4264..cc3f7da 100644
 +                                 params);
 +              cipher_mode = grub_strndup (c, seek_head - c);
 +              if (cipher_mode == NULL)
-+                grub_util_error (_("could not strndup cipher_mode of length `%lu'"), seek_head - c);
++                grub_util_error (_("could not strndup cipher_mode of length `%u'"), seek_head - c);
 +
 +              remaining -= seek_head - c + 1;
 +              c = seek_head + 1;