ASoC: wm8958: Use correct format string in dev_err() call

To print a value of type size_t one should use %zd, not %d.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 8d4ea43..40ac888 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -55,7 +55,7 @@
 		return 0;
 
 	if (fw->size < 32) {
-		dev_err(codec->dev, "%s: firmware too short (%d bytes)\n",
+		dev_err(codec->dev, "%s: firmware too short (%zd bytes)\n",
 			name, fw->size);
 		goto err;
 	}