Patched GRUB to use a config file named
'grubcfg' rather than 'grub.cfg'.  This allows us to have set the RISC OS
file type to 'text' so that it can be double-clicked and opened directly
from the CD into a text editor.

diff -urN grub-1.91.orig/normal/main.c grub-1.91/normal/main.c
--- grub-1.91.orig/normal/main.c	2005-08-13 21:26:56.000000000 +0100
+++ grub-1.91/normal/main.c	2007-09-08 14:13:19.000000000 +0100
@@ -504,11 +504,11 @@
       prefix = grub_env_get ("prefix");
       if (prefix)
 	{
-	  config = grub_malloc (grub_strlen (prefix) + sizeof ("/grub.cfg"));
+	  config = grub_malloc (grub_strlen (prefix) + sizeof ("/grubcfg"));
 	  if (! config)
 	    return;
 
-	  grub_sprintf (config, "%s/grub.cfg", prefix);
+	  grub_sprintf (config, "%s/grubcfg", prefix);
 	  grub_enter_normal_mode (config);
 	  grub_free (config);
 	}
diff -urN grub-1.91.orig/util/arm/RISC_OS/grub-mkfs.in grub-1.91/util/arm/RISC_OS/grub-mkfs.in
--- grub-1.91.orig/util/arm/RISC_OS/grub-mkfs.in	2007-09-07 17:38:55.000000000 +0100
+++ grub-1.91/util/arm/RISC_OS/grub-mkfs.in	2007-09-08 14:13:40.000000000 +0100
@@ -70,7 +70,7 @@
 mformat -i "$image" -s18 -t80 -h2 -S2 -M512 ::
 mcopy -b -i "$image" -Rfe4 ${pkgdatadir}/*.mod ::/
 mcopy -b -i "$image" -Rfff ${pkgdatadir}/*.lst ${pkgdatadir}/grub_RO,ff8  ${pkgdatadir}/\!Run,feb ::/
-mcopy -b -i "$image" -Rfff - ::/grub.cfg << EOF
+mcopy -b -i "$image" -Rfff - ::/grubcfg << EOF
 # Default RISC OS config file.
 insmod fat