KUDU-1268 - Fix CTAS example in docs
KUDU-1268 - Fix CTAS example in docs

We had a CTAS example that had the AS SELECT part of the CTAS
statement before TBLPROPERTIES, which was wrong. This patch fixes
that.

Change-Id: I45a74976bb398d9c91b3b4c82f4b84cc82d621f0
Reviewed-on: http://gerrit.cloudera.org:8080/1505
Reviewed-by: Jean-Daniel Cryans
Tested-by: Jean-Daniel Cryans

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