build: add test-tcp-close-accept.c to test deps
build: add test-tcp-close-accept.c to test deps

Add test/test-tcp-close-accept.c to the dependency list of the
`make check` target of the autotools build.

unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso