json.h: Change JSON_VAL_MAX from 120 to 512

This will allow the parsing long hexdump (data fields) in the AIS code.
The longest JSON string I saw so far was 389 characters long.

scons check passed.

1 files changed, 1 insertions, 1 deletions

diff --git a/json.h b/json.h
index a90fcc3a..b691729c 100644
--- a/json.h
+++ b/json.h
@@ -62,7 +62,7 @@ struct json_attr_t {
 };
 
 #define JSON_ATTR_MAX	31	/* max chars in JSON attribute name */
-#define JSON_VAL_MAX	120	/* max chars in JSON value part */
+#define JSON_VAL_MAX	512	/* max chars in JSON value part */
 
 #ifdef __cplusplus
 extern "C" {