* util/grub-mkrescue.in: Don't use tar GNU-ism since it's not necessary

in this context.

ChangeLog

@@ -1,3 +1,8 @@
+2010-07-10  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* util/grub-mkrescue.in: Don't use tar GNU-ism since it's not necessary
+	in this context.
+
 2010-07-07  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* tests/util/grub-shell.in: Remove bashisms and declare as sh script.

util/grub-mkrescue.in

@@ -211,7 +211,7 @@ EOF
     echo "source /boot/grub/grub.cfg") \
     > ${iso9660_dir}/boot/grub/${platform}/grub.cfg
 
-    tar -C ${memdisk_dir} -cf ${memdisk_img} boot
+    (cd "${memdisk_dir}"; tar -cf - boot) > "${memdisk_img}"
     rm -rf ${memdisk_dir}
     $grub_mkimage -O ${platform} -d "${source_directory}" -m "${memdisk_img}" -o "$3" --prefix='(memdisk)/boot/grub' \
         search iso9660 configfile normal memdisk tar $4