Don't use blend mode keywords.
Don't use blend mode keywords.

K1 accepts "mix" and mix (as a keyword).  K2 accepts only the former.

	* src/libuobject/uvar.cc (UVar::setProp): Give blend mode names
	bw quotes.

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