#772: closing loading dialog now cancels the loading of the swf

#762:export pcode with diffren extension

libsrc/ffdec_lib/src/com/jpexs/helpers/Helper.java

@@ -830,6 +830,10 @@ public class Helper {
     }
 
     public static boolean contains(int[] array, int value) {
+        if (array == null) {
+            return false;
+        }
+
         for (int i : array) {
             if (i == value) {
                 return true;