ASoC: sunxi: Uninitialized variable in probe()

Oddly enough, my version of GCC misses this uninitialized variable.

Fixes: ba2ff302 ("ASoC: sunxi: Add support for A23/A33/H3 codec's analog path controls")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sunxi/sun8i-codec-analog.c

@@ -589,7 +589,7 @@ static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
 	}
 
 	if (quirks->has_hmic) {
-		sun8i_codec_add_hmic(cmpnt);
+		ret = sun8i_codec_add_hmic(cmpnt);
 		if (ret)
 			return ret;
 	}