LU-2677 utils: update e2fsprogs to 1.42.7.wc1

Update the required e2fsprogs version to 1.42.7.wc1 to handle
smaller on-disk LMA and filter_fid structure sizes.

Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Change-Id: Id5bcbe1cd1bc2c170e253dbcb0bd0beb1a46c36f
Reviewed-on: http://review.whamcloud.com/6233
Tested-by: Hudson
Reviewed-by: Yang Sheng <yang.sheng@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>