[PATCH] alpha: task_pt_regs()

)

From: Al Viro <viro@ftp.linux.org.uk>

rename alpha_task_regs() to task_pt_regs(), switch open-coded instances
to use of the helper.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>