scripts/coccinelle: modernize &

& is no longer allowed in column 0, since Coccinelle 1.0.4.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Tested-by: Nishanth Menon <nm@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.com>

scripts/coccinelle/iterators/use_after_iter.cocci

@@ -123,7 +123,7 @@ list_remove_head(x,c,...)
 |
 sizeof(<+...c...+>)
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-&c->member
+ &c->member
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 c = E
 |