symbols: beware of BOUNCE(std::string, host, getLocalHost)
symbols: beware of BOUNCE(std::string, host, getLocalHost)

	* src/object/symbols-generate.pl (%symbol): Accept only \w+
	identifiers.

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