[patch] NUL used instead of NULL

[Dominique Pellé]

Hi

Attached patch fixes a couple places where NUL
is used and where NULL was meant to be used.
It's harmless anyway.

Regards
Dominique

[Bram Moolenaar]

Dominique wrote:

> Attached patch fixes a couple places where NUL
> is used and where NULL was meant to be used.
> It's harmless anyway.

Thanks!

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