Remove storage of return value
Remove storage of return value

We don't use the return value from the func, so remove it. The function
prototype has changed anyway.

git-svn-id: ea5ea25908b0b363893e799f51beeda82c91f594@43541 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

jordemort/edbus,jordemort/edbus