autoconverted a lot of 'bad arg' and 'out of memory' type errors

Rev: src/modules/Image/blit.c:1.37
Rev: src/modules/Image/colors.c:1.22
Rev: src/modules/Image/colortable.c:1.71
Rev: src/modules/Image/dct.c:1.14
Rev: src/modules/Image/font.c:1.52
Rev: src/modules/Image/image.c:1.146
Rev: src/modules/Image/matrix.c:1.20
Rev: src/modules/Image/orient.c:1.12
Rev: src/modules/Image/search.c:1.12