doc: fix typo in heap.rst

typo: stanard -> standard

Signed-off-by: Fabio Utzig <fabio.utzig@nordicsemi.no>
This commit is contained in:
Fabio Utzig 2020-08-24 17:18:10 -03:00 committed by Anas Nashif
commit 054a9aeec9

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@ -38,7 +38,7 @@ Releasing Memory
================
Memory allocated with :cpp:func:`k_heap_alloc()` must be released using
:cpp:func:`k_heap_free()`. Similar to stanard C ``free()``, the pointer
:cpp:func:`k_heap_free()`. Similar to standard C ``free()``, the pointer
provided must be either a ``NULL`` value or a pointer previously
returned by :cpp:func:`k_heap_alloc()` for the same heap. Freeing a
``NULL`` value is defined to have no effect.