The Coverity checker found that sscape_sb_enable never get's assigned any
value different from 0, and therefore some code paths are impossible.

This patch removes this variable and the dead code paths.
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>