Skip locale-dependent tests for mergekeys when run in an environment with   insufficient locale support (e.g. cygwin).
Skip locale-dependent tests for mergekeys when run in an environment with
  insufficient locale support (e.g. cygwin).

src/mergekeys/tests.sh: Skip sub-test 6 if "locale" is not in $PATH or does
  not show support for en_US.iso88591, 


git-svn-id: 036a1c5f902f528d79fbac72fb947c91fe594755@246 9f305d85-0c50-0410-b3e0-65f4174694de

dbushong/crush-tools,dbushong/crush-tools,dbushong/crush-tools,dbushong/crush-tools