PFW: Do not stop on hard sync errors

BZ: 76263

When synchronization fails, the parameter-framework should
log a warning and continue synchronization instead of stopping

Change-Id: Ic12d8798ea25584db714ee26e644fac793c28881
Signed-off-by: Kevin Rocard <kevinx.rocard@intel.com>
Reviewed-on: http://android.intel.com:8080/81825
Reviewed-by: Centelles, Sylvain <sylvain.centelles@intel.com>
Reviewed-by: Denneulin, Guillaume <guillaume.denneulin@intel.com>
Tested-by: Dixon, CharlesX <charlesx.dixon@intel.com>
Reviewed-by: cactus <cactus@intel.com>
Tested-by: cactus <cactus@intel.com>
diff --git a/parameter/AreaConfiguration.h b/parameter/AreaConfiguration.h
index b14106c..46d9e3d 100644
--- a/parameter/AreaConfiguration.h
+++ b/parameter/AreaConfiguration.h
@@ -43,7 +43,7 @@
     void save(const CParameterBlackboard* pMainBlackboard);
 
     // Apply data to current
-    bool restore(CParameterBlackboard* pMainBlackboard, bool bSync, string& strError) const;
+    bool restore(CParameterBlackboard* pMainBlackboard, bool bSync, list<string>* plstrError) const;
 
     // Ensure validity
     void validate(const CParameterBlackboard* pMainBlackboard);