security/vuxml: Fix 9cf03c96-ffa5-11ef-bb15-002590af0794 entry

vuxml build:

Application exception:
bad CVE name for vid 9cf03c96-ffa5-11ef-bb15-002590af0794: GHSA-693p-m996-3rmf @ho:215

Fixes: 90289c6eaa01 vuxml: Document vim vulnerability
Sponsored by: The FreeBSD Foundation