HPCC-8867 - Fill in @kind file attribute for all files

The @kind meta field was only filled for keys.
Useful also to be able to distinguis between flag,xml & csv

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Changes following review

1) correct typo
2) correct strsame() logic (use here was sole call)

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Merge pull request #4805 from jakesmith/hpcc-8867

HPCC-8867 - Fill in @kind file attribute for all files

Reviewed-By: Gavin Halliday <gavin.halliday@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>