lib: math: Return NULL pointer
Fix the following sparse warning:

lib/math.c:309:16: warning: Using plain integer as NULL pointer

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 409df4d commit 3472c67ae174c36573b8921b41e1f61361c5972c
@Fabio Estevam Fabio Estevam authored on 21 Feb 2014
Sascha Hauer committed on 24 Feb 2014
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lib/math.c