Fix Symbian deployment target for the declarative plugin
Fix Symbian deployment target for the declarative plugin

communi/communi-desktop,communi/communi-desktop,communi/communi-symbian,gdamjan/communi-desktop,communi/communi-symbian,sevanteri/communi-desktop,jpnurmi/communi-desktop,communi/communi-symbian,communi/communi-symbian