[ALSA] au88x0_synth.c bugfix

This patch fixes the code in vortex_wt_SetFrequency() to what seems to
have been intended.
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/pci/au88x0/au88x0_synth.c

@@ -370,7 +370,7 @@ static void vortex_wt_SetFrequency(vortex_t * vortex, int wt, unsigned int sr)
 			while ((edx & 0x80000000) == 0) {
 				edx <<= 1;
 				eax--;
-				if (eax == 0) ;
+				if (eax == 0)
 					break;
 			}
 			if (eax)