[ALSA] sound: emuproc.c fix signedness warning

Reading regs from the fpga into an int instead of a u32, trivial
fix.
sound/pci/emu10k1/emuproc.c:422:34: warning: incorrect type in argument 3 (different signedness)
sound/pci/emu10k1/emuproc.c:422:34:    expected unsigned int [usertype] *value
sound/pci/emu10k1/emuproc.c:422:34:    got int *<noident>

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
index f3caa3f..216f974 100644
--- a/sound/pci/emu10k1/emuproc.c
+++ b/sound/pci/emu10k1/emuproc.c
@@ -412,7 +412,7 @@
 				     struct snd_info_buffer *buffer)
 {
 	struct snd_emu10k1 *emu = entry->private_data;
-	int value;
+	u32 value;
 	unsigned long flags;
 	int i;
 	snd_iprintf(buffer, "EMU1010 Registers:\n\n");