jpeg compression: Correctly set image size.
jpeg compression: Correctly set image size.

	* src/liburbi/uconversion.cc (convert): Write jpeg size computed
	by convert*toJPEEG to the UImage structure.

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