package/libosip2: security bump to version 5.3.1
Fix CVE-2022-41550: GNU oSIP v5.3.0 was discovered to contain an integer
overflow via the component osip_body_parse_header.
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>