src/common/service.cpp: fix namespace error for ios build
src/common/service.cpp: fix namespace error for ios build

araisrobo/QtQuickVcp,strahlex/QtQuickVcp,machinekoder/QtQuickVcp,araisrobo/QtQuickVcp,JDSquared/QtQuickVcp,JDSquared/QtQuickVcp,strahlex/QtQuickVcp,machinekoder/QtQuickVcp,JDSquared/QtQuickVcp,qtquickvcp/QtQuickVcp,araisrobo/QtQuickVcp,qtquickvcp/QtQuickVcp,qtquickvcp/QtQuickVcp,machinekoder/QtQuickVcp,JDSquared/QtQuickVcp,strahlex/QtQuickVcp,machinekoder/QtQuickVcp,qtquickvcp/QtQuickVcp,araisrobo/QtQuickVcp