fixed a division by zero if the blocksize of the bigintger to byte array requests a length blocksize

Author: ic0ns

src/main/java/de/rub/nds/modifiablevariable/util/ArrayConverter.java

@@ -276,8 +276,7 @@ public static void makeArrayNonZero(final byte[] array) {
      * @return big integer represented in bytes, padded to a specific block size
      */
     public static byte[] bigIntegerToByteArray(BigInteger value, int blockSize, boolean removeSignByte) {
-        if(blockSize == 0)
-        {
+        if (blockSize == 0) {
             return new byte[0];
         }
         byte[] array = value.toByteArray();