json: remove useless return value from lexer/parser
The lexer always returns 0 when char feeding. Furthermore, none of the caller care about the return value. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180326150916.9602-10-marcandre.lureau@redhat.com> Reviewed-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NThomas Huth <thuth@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <20180823164025.12553-32-armbru@redhat.com>
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