Fix urbi-launch MODE_PLUGIN.
Fix urbi-launch MODE_PLUGIN.

	* src/urbi-launch.cc (main): Set core dll path after option
	parsing when the mode is known.

urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi