Merge pull request #35 from SergeyBel/fix-delete-mixcolumns

fix delete in MixColumns

src/AES.cpp

@@ -339,7 +339,7 @@ void AES::MixColumns(unsigned char** state)
       state[j][i] = temp[j]; //when the column is mixed, place it back into the state
     }
   }
-  delete temp;
+  delete[] temp;
 }
 
 void AES::AddRoundKey(unsigned char **state, unsigned char *key)