Remove no-non-virtual-dtor flag

BZ: 111473

The warning non-virtual-dtor should not be ignored for the whole project, but
only in the few cases where it it necessary.

Change-Id: I0ede82a30f2cd055b789f7fb56104fb227934e6f
Signed-off-by: Sebastien Gonzalve <sebastien.gonzalve@intel.com>
Signed-off-by: Guilhem IMBERTON <guilhem.imberton@intel.com>
Reviewed-on: http://android.intel.com:8080/110191
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
diff --git a/parameter/AreaConfiguration.h b/parameter/AreaConfiguration.h
index bcf2229..bb1cc92 100644
--- a/parameter/AreaConfiguration.h
+++ b/parameter/AreaConfiguration.h
@@ -39,6 +39,9 @@
 public:
     CAreaConfiguration(const CConfigurableElement* pConfigurableElement, const CSyncerSet* pSyncerSet);
 
+    /* FIXME this was missing and probably buggy*/
+    virtual ~CAreaConfiguration() {}
+
     // Save data from current
     void save(const CParameterBlackboard* pMainBlackboard);