Call mapper service with appropriate parameters

I obviously did not re-test my code after making
this review comment.  The parameters to getService()
were in the wrong order.

Resolves openbmc/openbmc#1990

Change-Id: Ia0cfe45f391d80dec6f47b28b99126bfc98f2d28
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
1 file changed