pgsql: Adjust regression tests on cube and ECPG for MinGW 64 bit compil

Adjust regression tests on cube and ECPG for MinGW 64 bit compiler.

Backport to 9.0, we're not supporting this compiler on earlier releases.

Branch
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REL9_0_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/0e754ab366e9a200ef7342dc6ada42ae014a6739

Modified Files
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contrib/cube/expected/cube_3.out | 1134 ++++++++++++++++++++++++++++++++++++
src/interfaces/ecpg/test/resultmap | 3 +
2 files changed, 1137 insertions(+), 0 deletions(-)