lib: json: Do not use translation tables to encode characters

It has been suggested in a review to use a simple function with a
switch statement instead of the table trick.

Jira: ZEP-1607
Change-Id: I5290de175021bfa8642334548ece8266d4c137f0
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
1 file changed