Staging: Fixes string split across lines in zsmalloc zsmalloc-main

Fixes the following checkpatch warning:
WARNING: quoted string split across lines

Change-Id: Ia192b2d0213de838d61f77db233169c802a4419f
Signed-off-by: Marlies Ruck <marlies.ruck@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: 93ad5ab50476aa7e2b33aac31f41d0efc9f729d7
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>