[PATCH] sparse cleanups: NULL pointers, C99 struct init.

Convert most of the remaining "Using plain integer as NULL pointer" sparse
warnings to use NULL.  (Not duplicating patches that are already in -mm,
-bird, or -kj.)

Convert isdn driver struct initializer to use C99 syntax.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/char/tpm/tpm_nsc.c

@@ -244,7 +244,7 @@ static struct attribute * nsc_attrs[] = {
 	&dev_attr_pcrs.attr,
 	&dev_attr_caps.attr,
 	&dev_attr_cancel.attr,
-	0,
+	NULL,
 };
 
 static struct attribute_group nsc_attr_grp = { .attrs = nsc_attrs };