Fix schem deleted bug

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Core/src/de/steamwar/fightsystem/utils/FightStatistics.java

@@ -98,12 +98,12 @@ public class FightStatistics {
         Integer redSchem;
         try {
             blueSchem = SchematicNode.getSchematicNode(Fight.getBlueTeam().getSchematic()).getId();
-        } catch (SecurityException e) {
+        } catch (NullPointerException e) {
             blueSchem = null;
         }
         try {
             redSchem = SchematicNode.getSchematicNode(Fight.getRedTeam().getSchematic()).getId();
-        } catch (SecurityException e) {
+        } catch (NullPointerException e) {
             redSchem = null;
         }