[ISDN]: Get rid of some pointless allocation casts in common and bsd comp.

vmalloc() returns a void pointer - no need to cast the return value.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index c97330b..ec5f404 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -2291,7 +2291,7 @@
 	int i;
 	char tmprev[50];
 
-	if (!(dev = (isdn_dev *) vmalloc(sizeof(isdn_dev)))) {
+	if (!(dev = vmalloc(sizeof(isdn_dev)))) {
 		printk(KERN_WARNING "isdn: Could not allocate device-struct.\n");
 		return -EIO;
 	}