cyignore sslSniffer due to main() conflicts #4965

Job	Run time
make check (--verbose --enable-all --disable-all-osp --disable-opensslall --enable-opensslcoexist...	2m 7s
make check (--verbose --enable-all --disable-all-osp --disable-opensslall --enable-opensslcoexist...	2m 21s
	4m 28s

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