Fix call to ndpi_init_detection_module after change to signature
on 08/02/2013 (Fixes for memory wrappers).
Defined:
  NDPI_PROTOCOL_LONG_STRING
  DPI_PROTOCOL_SHORT_STRING

(fix grabbed from https://github.com/andir/ndpi-netfilter.git
7e641b6f9dfb8e5d9494ecae2599ff0e5500214d)