Fix disconnects caused by unintialized variables. #237

Job	Run time
Build & test (MingW) (windows-latest, release)	1m 16s
Build & test (windows-latest, debug)	56s
Build & test (MingW) (windows-latest, debug)	1m 18s
Build & test (windows-latest, release)	1m 40s
Build & test (macos-latest, debug)	23s
Build & test (ubuntu-latest, debug)	24s
Build & test (ubuntu-latest, release)	20s
Build & test (macos-latest, release)	24s
	6m 41s

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