Correct shellcheck rule SC2019: Use '[:upper:]' to support
accents and foreign alphabets.
Signed-off-by: Maciej Wawryk <maciejx.wawryk@intel.com>
Change-Id: I9fbaa22ee39d52d5d3a9397ad007b7df295b49b3
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/469990
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Pawel Kaminski <pawelx.kaminski@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
d32c76f4bf