Do not print out "the parser returned NULL" by default.
Do not print out "the parser returned NULL" by default.

	* src/kernel/uconnection.cc: Print it with ECHO, not LIBPORT_ECHO.

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