HBASE-1961 EC2 scripts; use a more portable idiom for a for loop
HBASE-1961 EC2 scripts; use a more portable idiom for a for loop

git-svn-id: 25ca64b629f24bdef6d1cceac138f74b13f55e41@887595 13f79535-47bb-0310-9956-ffa450edef68

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