evince: fix build with gcc 4.8

warning/errror was:
tiff2ps.c:1131:4: error: format '%u' expects argument of type 'unsigned int', but argument 3 has type 'tsize_t' [-Werror=format=]
    chunk_size, tiled_image ? "tiles" : "strips");
    ^
cc1: some warnings being treated as errors

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>