Build

Validate the service pipe to avoid connecting to a bogus pipe #499

Job	Run time
Check code style with Uncrustify	19s
msvc - x86	4m 45s
gcc-mingw - mingw64	48s
msvc - x86 - ovpn3	3m 28s
gcc-mingw - mingw	45s
msvc - x64	3m 36s
msvc - x64 - ovpn3	3m 36s
msvc - arm64	4m 59s
msvc - arm64 - ovpn3	3m 8s
msvc - x64 ASAN	3m 38s
	29m 2s

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