urbi-send: fix tests.
urbi-send: fix tests.

On some hosts, instead of .../urbi-send, the libtool wrapper is named
.../lt-urbi-send.  Also strip the lt- part.

	* sdk-remote/src/tests/bin/urbi-send.in: here.

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