dm-crypt: Rename pending

There are two structures that have "pending" field.
This patch renames it to "cc_pending" and "io_pending" to reduce confusion
and ease searching the code.

Change-Id: I0b06e11083951c79f24d9443cff7918d2778a2aa
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Shashank Mittal <mittals@codeaurora.org>
1 file changed