Use a deterministic way of loading dynamic libraries.
Use a deterministic way of loading dynamic libraries.

MacOS X by default uses the "global" advise when none is given, while Linux
uses the "local" one in this case. To get a reproducible and consistent
behaviour between various platforms, always set either "global" or "local"
depending on what we want to do.

	* src/urbi-launch.cc (xlt_dlopenext): Always set either the "global"
	or "local" advise.

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