Merge pull request #799 from anhu/null #359

Job	Run time
create_matrix	1s
Build wolfssl (ubuntu-latest, master)	1m 58s
Build wolfssl (ubuntu-latest, v5.8.0-stable)	1m 46s
Build wolfssl (ubuntu-latest, v5.7.6-stable)	1m 34s
Build and test wolfsshd (ubuntu-latest, master)	35s
Build and test wolfsshd (ubuntu-latest, v5.8.0-stable)	33s
Build and test wolfsshd (ubuntu-latest, v5.7.6-stable)	42s
	7m 9s

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