V4L/DVB (9454): Fix a compile warning

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index 6e7db991..196a837 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -444,7 +444,7 @@
 	return status < 0 ? status : -EREMOTEIO;
 }
 
-int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, size_t count)
+int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, u32 count)
 {
 	int status;