(large INT_TYPE saga) struct image->xsize,ysize changed to INT_TYPE, a bunch...

(large INT_TYPE saga) struct image->xsize,ysize changed to INT_TYPE, a bunch of sprintf formats fixed

Rev: src/modules/Image/encodings/pnm.c:1.30
Rev: src/modules/Image/image.c:1.201
Rev: src/modules/Image/image.h:1.51
Rev: src/modules/Image/layers.c:1.84