Static analysis fixes #1493

Job	Run time
create_matrix	3s
Build wolfssl (ubuntu-latest, master)	7s
Build wolfssl (ubuntu-latest, v5.9.0-stable)	4s
Build wolfssl (ubuntu-latest, v5.9.1-stable)	5s
Build and test wolfsshd (ubuntu-latest, v5.9.1-stable)	2m 23s
Build and test wolfsshd (ubuntu-latest, master)	2m 20s
Build and test wolfsshd (ubuntu-latest, v5.9.0-stable)	2m 15s
	7m 17s

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