pgsql: cube_1 variant is needed in 7.4 branch, per results from

Log Message:
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cube_1 variant is needed in 7.4 branch, per results from buildfarm
machine 'kudu'.

Tags:
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REL7_4_STABLE

Added Files:
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pgsql/contrib/cube/expected:
cube_1.out (r1.2.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/cube/expected/cube_1.out?rev=1.2.2.1&content-type=text/x-cvsweb-markup)