Fix leak in Socket#connect spec #826

Job	Run time
omnibus compilations, trigger	1s
omnibus compilations, #3	25m 53s
omnibus compilations, #1	28m 26s
omnibus compilations, #2	31m 5s
omnibus compilations, #4	25m 40s
omnibus compilations, #5	26m 37s
omnibus compilations, #6	26m 41s
omnibus compilations, #7	26m 25s
omnibus compilations, #8	27m 0s
omnibus compilations, #9	26m 53s
omnibus compilations, #11	26m 19s
omnibus compilations, #12	23m 57s
omnibus compilations, #10	26m 7s
omnibus compilations, result	1s
	5h 21m 5s

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