Add locally build libs to libinkscape rpath
small update to 6205eead to add the locally built libs to libinkscape's rpath too, so that the "right" pangocairo is found when another one is in the ld_library_path
small update to 6205eead to add the locally built libs to libinkscape's rpath too, so that the "right" pangocairo is found when another one is in the ld_library_path