xdrgen: Fix the variable-length opaque field decoder template

Ensure that variable-length opaques are decoded into the named
field, and do not overwrite the structure itself.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2025-10-27 09:56:33 -04:00
commit 42ba5bd2e2