Properly initialize array of atomics in ws server #3020
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Came across [1] where C++20 fixes atomic default initialization. I believe this issue applies to the array of atomics in websockets. Recent compilers seem to do the right thing, and worst case is unnecessary checks with
subscriptions.find, but should be fixed nevertheless.[1] http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0883r2.pdf