Multiple (minorish?) issues with core code detected by the PVS Studio static analyser

[brigadier]

Here's an article about several issues detected by the PVS Studio static analyser in the Erlang core code https://pvs-studio.com/en/blog/posts/cpp/1305/

[michallepicki]

See also

• wx: Fix array reading out of bounds, and potential memory leaks #10353
• erts: Fix use-before-initialization bug, and related errors #10359
• erts: fix tcp_send_error econnaborted for win32 #10362

[RaimoNiskanen]

• Fix socket related PVS Studio findings #10388