Code deallocating the extent path referenced by an argument to
ext4_ext_handle_uninitialized_extents was made redundant with identical
code in its one caller, ext4_ext_map_blocks, by commit 37794732.
Allocating and deallocating the path in the same function also makes
the code clearer.
Signed-off-by: NEric Whitney <enwlinux@gmail.com>
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>