[KARMIC] UBUNTU: Update the dm-raid45 module to latest version

[manoj.iyer at canonical.com]

> I believe that when you use the dm-raid45-objs form that there is an
> implicit construction of a new dm-raid45.o from the .o's on the right.
> I would have expected you to need to leave the main file called
> dm-raid4-5.c and then to have the following to make the dm-raid45.ko
>
> dm-raid45-objs := dm-raid4-5.o dm-memcache.o dm-region-hash.o dm-message.o
> obj-$(CONFIG_DM_RAID45) := dm-raid45.o
>
> -apw
>

The file dm-raid4-5.c does not exist anymore, the file has been renamed to 
dm-raid45.c.