stop incorrectly showing unknown sources prompt

435a65b477f5bc079700d84ea216faf2adc7c823 changed this code and ended up
leaving out this return statement. It falls through to the code to deal
with requests from unknown sources even when the request was really from
a known source.

Change-Id: Ia1633989f8a177000d7bcec89184e0ebdc72aa74
1 file changed