Fix some whitespace issues with the test file for the `(::)/2` control construct
Fix some whitespace issues with the test file for the `(::)/2` control construct

LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3