Add fixed bug 504466 double close causes SEGV to NEWS

https://bugs.kde.org/show_bug.cgi?id=504466 was fixed by
commit 8187386
Check whether file descriptor is inherited before printing where_opened

(cherry picked from commit c6c37fd)

Author: Mark Wielaard

NEWS

@@ -10,6 +10,7 @@ The following bugs have been fixed or resolved on this branch.
 503914  mount syscall param filesystemtype may be NULL
 504177  FILE DESCRIPTORS banner shows when closing some inherited fds
 504265  FreeBSD: missing syscall wrappers for fchroot and setcred
+504466  Double close causes SEGV
 
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