Fix saving APRS plugin settings
Fix saving APRS plugin settings

BUG: 348207
FIXED-IN: Applications/15.04.2
(cherry picked from commit 12a03371ae78dca64071f0ffc12aefc299206c30)

probonopd/marble,probonopd/marble,probonopd/marble,probonopd/marble,probonopd/marble,probonopd/marble,probonopd/marble