linux-phytec-fsl

befs: in memory free_node_ptr and max_size never read

The only place the values of free_node_ptr and max_size are read is in
befs_dump_index_entry(), which both times it is called, it is passed the on
disk superblock. Removing assignment of unused values.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>