It is possible to use double ampersand (&&) in unary context where it
means the address of a goto label.  Handle spacing for it.
Signed-off-by: NAndy Whitcroft <apw@shadowen.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>