JSON output is useful for building integrations, e.g. reading bundle information into other tools. Host-json-glib is very small / fast to build compared to the other dependencies, so enable it unconditionally. Signed-off-by: Fiona Klute (WIWA) <fiona.klute@gmx.de> [Peter: unconditionally enable JSON support] Signed-off-by: Peter Korsgaard <peter@korsgaard.com>