[media] dvb-frontends: use %zu instead of %zd

size_t is unsigned.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-frontends/mt312.c

@@ -103,7 +103,7 @@ static int mt312_write(struct mt312_state *state, const enum mt312_reg_addr reg,
 
 	if (1 + count > sizeof(buf)) {
 		printk(KERN_WARNING
-		       "mt312: write: len=%zd is too big!\n", count);
+		       "mt312: write: len=%zu is too big!\n", count);
 		return -EINVAL;
 	}