nm256 audio driver fix

[Oleg Drokin]

Hello!

   attached diff fixes unneeded releases  in NeoMagic256 audio driver.

Bye,
    Oleg

--- drivers/sound/nm256_audio.c.orig    Sat Oct 21 14:26:47 2000
+++ drivers/sound/nm256_audio.c Sat Oct 21 14:41:20 2000
@@ -58,9 +58,7 @@
 
     for (x = 0; x < 2; x++) {
        if (card->port[x].ptr != NULL) {
-           u32 size = 
-               card->port[x].end_offset - card->port[x].start_offset;
-           release_region ((unsigned long) card->port[x].ptr, size);
+           iounmap (card->port[x].ptr);
            card->port[x].ptr = NULL;
        }
     }
@@ -1025,7 +1023,7 @@
                pointer);
     }
 
-    release_region ((unsigned long) temp, 16);
+    iounmap (temp);
 }
 
 /*