Fixes TLS reconnection. #470

Job	Run time
B2 msvc-14.2	4m 37s
B2 gcc-11	3m 30s
B2 msvc-14.3	5m 41s
CMake msvc-14.2 Debug C++17	8m 30s
CMake gcc-11 17 Debug	8m 37s
B2 clang-14	3m 22s
CMake msvc-14.2 Release C++17	7m 17s
CMake gcc-11 20 Release	10m 57s
CMake msvc-14.3 Debug C++20	10m 10s
CMake clang-11 17 Debug	6m 22s
CMake msvc-14.3 Release C++20	10m 37s
CMake clang-11 20 Debug	6m 26s
CMake clang-13 17 Release	9m 11s
CMake clang-13 20 Release	9m 2s
CMake clang-14 17 Debug -stdlib=libc++	8m 39s
CMake clang-14 20 Release -stdlib=libc++	11m 19s
	2h 4m 17s

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