hw/display/cirrus_vga: Use qemu_log_mask(ERROR) instead of debug printf

Replace some debug printf() calls by qemu_log_mask(LOG_GUEST_ERROR).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-6-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
1 file changed