V4L/DVB (10116): af9013: Fix gcc false warnings

drivers/media/dvb/frontends/af9013.c: In function ‘af9013_set_coeff’:
drivers/media/dvb/frontends/af9013.c:231: warning: ‘ns_coeff2_8k’ may be used uninitialized in this function
drivers/media/dvb/frontends/af9013.c:230: warning: ‘ns_coeff2_2k’ may be used uninitialized in this function
drivers/media/dvb/frontends/af9013.c:229: warning: ‘ns_coeff1_8193nu’ may be used uninitialized in this function
drivers/media/dvb/frontends/af9013.c:228: warning: ‘ns_coeff1_8192nu’ may be used uninitialized in this function
drivers/media/dvb/frontends/af9013.c:227: warning: ‘ns_coeff1_8191nu’ may be used uninitialized in this function
drivers/media/dvb/frontends/af9013.c:226: warning: ‘ns_coeff1_2048nu’ may be used uninitialized in this function
drivers/media/dvb/frontends/af9013.c: In function ‘af9013_update_snr’:
drivers/media/dvb/frontends/af9013.c:1012: warning: ‘snr_table’ may be used uninitialized in this function

Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/af9013.c

@@ -223,12 +223,12 @@ static int af9013_set_coeff(struct af9013_state *state, fe_bandwidth_t bw)
 	int ret = 0;
 	u8 i = 0;
 	u8 buf[24];
-	u32 ns_coeff1_2048nu;
-	u32 ns_coeff1_8191nu;
-	u32 ns_coeff1_8192nu;
-	u32 ns_coeff1_8193nu;
-	u32 ns_coeff2_2k;
-	u32 ns_coeff2_8k;
+	u32 uninitialized_var(ns_coeff1_2048nu);
+	u32 uninitialized_var(ns_coeff1_8191nu);
+	u32 uninitialized_var(ns_coeff1_8192nu);
+	u32 uninitialized_var(ns_coeff1_8193nu);
+	u32 uninitialized_var(ns_coeff2_2k);
+	u32 uninitialized_var(ns_coeff2_8k);
 
 	deb_info("%s: adc_clock:%d bw:%d\n", __func__,
 		state->config.adc_clock, bw);
@@ -1009,7 +1009,7 @@ static int af9013_update_snr(struct dvb_frontend *fe)
 	int ret;
 	u8 buf[3], i, len;
 	u32 quant = 0;
-	struct snr_table *snr_table;
+	struct snr_table *uninitialized_var(snr_table);
 
 	/* check if quantizer ready (for snr) */
 	ret = af9013_read_reg_bits(state, 0xd2e1, 3, 1, &buf[0]);