mistake in udf_date_add.q.out

[Alexander Pivovarov]

files:
ql/src/test/results/clientpositive/udf_date_add.q.out

ql/src/test/results/beelinepositive/udf_date_add.q.out

last line shows   '2009-31-07'

should it be   '2009-07-31'   instead?