Small bugfix

htmlsteg.py

@@ -48,7 +48,7 @@ if __name__ == '__main__':
         else:
             fdout = open(args.output, 'w+')
         if args.input == '-':
-            data_in = bytearray(sys.stdin.read())
+            data_in = sys.stdin.read()
         else:
             with open(args.input, 'r') as fdin:
                 data_in = fdin.read()