Correct author for 497505901824dd7382d1d80e152f6b6d810a2844

The author for 497505901824dd7382d1d80e152f6b6d810a2844 was incorrect.
It should have been "Nick Alcock <nick.alcock@oracle.com>", matching
the Signed-off-by.

[rlb@defaultvalue.org: add correction on behalf of author]