isdn: jade: Fix set-but-unused variables.

The variable 'i' is set but unused in JadeVersion().  Just
kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/isdn/hisax/jade.c

@@ -23,10 +23,9 @@
 int
 JadeVersion(struct IsdnCardState *cs, char *s)
 {
-    int ver,i;
+    int ver;
     int to = 50;
     cs->BC_Write_Reg(cs, -1, 0x50, 0x19);
-    i=0;
     while (to) {
     	udelay(1);
 	ver = cs->BC_Read_Reg(cs, -1, 0x60);