fix deprecations from Network.Socket.#126

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DKurilo wants to merge 2 commits intosnapframework:masterfrom

Commits on Oct 1, 2019

fix deprecations from Network.Socket. Now it's impossible to build
Dima Kurilo
committed
remove unsafeFdSocket, fdSocket should work and maybe it's better to replace fdSocket with withFdSocket
Dima Kurilo
committed