[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>
diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index d12ac1a..8cb42e8 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -142,7 +142,7 @@
 	&dev_attr_pcrs.attr,
 	&dev_attr_caps.attr,
 	&dev_attr_cancel.attr,
-	0,
+	NULL,
 };
 
 static struct attribute_group atmel_attr_grp = { .attrs = atmel_attrs };