Use static buffer for fake JPEG EOI marker as src->buf might not be allocated
Use static buffer for fake JPEG EOI marker as src->buf might not be allocated

Discovered whilst investigating lovell/sharp#6

mcanthony/libvips,wishabi/libvips,jcupitt/libvips,leiyangyou/libvips,jcupitt/libvips,mcanthony/libvips,wishabi/libvips,mcanthony/libvips,wishabi/libvips,jcupitt/libvips,lovell/libvips,leiyangyou/libvips,lovell/libvips,lovell/libvips,leiyangyou/libvips,mcanthony/libvips,wishabi/libvips,lovell/libvips,jcupitt/libvips,leiyangyou/libvips