Fix memory leaks on shape->values

Author: jbo-ads

mapogr.cpp

@@ -2823,6 +2823,7 @@ msOGRFileNextShape(layerObj *layer, shapeObj *shape,
     psInfo->last_record_index_read++;
 
     if(layer->numitems > 0) {
+      if (shape->values) msFreeCharArray(shape->values, shape->numvalues);
       shape->values = msOGRGetValues(layer, hFeature);
       shape->numvalues = layer->numitems;
       if(!shape->values) {

mapprimitive.c

@@ -131,6 +131,7 @@ int msCopyShape(shapeObj *from, shapeObj *to)
   to->resultindex = from->resultindex;
 
   if(from->values) {
+    if (to->values) msFreeCharArray(to->values, to->numvalues);
     to->values = (char **)msSmallMalloc(sizeof(char *)*from->numvalues);
     for(i=0; i<from->numvalues; i++)
       to->values[i] = msStrdup(from->values[i]);