mISDN: consistently define 'debug' as '*u_int'

Impact: change data type for variable 'debug' from *int to *u_int,
same for the argument type of mISDN_inittimer

In "core.h" mISDN_inittimer is declared with the argument type "*u_int", make
the definition in "timerdev.c" match this.

This fixes also this warnings:

  drivers/isdn/mISDN/layer1.c:391:8: warning: incorrect type in assignment (different signedness)
  drivers/isdn/mISDN/layer1.c:391:8:    expected int *static [toplevel] debug
  drivers/isdn/mISDN/layer1.c:391:8:    got unsigned int [usertype] *deb
  drivers/isdn/mISDN/layer2.c:2200:8: warning: incorrect type in assignment (different signedness)
  drivers/isdn/mISDN/layer2.c:2200:8:    expected int *static [toplevel] debug
  drivers/isdn/mISDN/layer2.c:2200:8:    got unsigned int [usertype] *deb
  drivers/isdn/mISDN/socket.c:769:8: warning: incorrect type in assignment (different signedness)
  drivers/isdn/mISDN/socket.c:769:8:    expected int *static [toplevel] debug
  drivers/isdn/mISDN/socket.c:769:8:    got unsigned int [usertype] *deb
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/isdn/mISDN/layer1.c

@@ -21,7 +21,7 @@
 #include "layer1.h"
 #include "fsm.h"
 
-static int *debug;
+static u_int *debug;
 
 struct layer1 {
 	u_long			Flags;

drivers/isdn/mISDN/layer2.c

@@ -18,7 +18,7 @@
 #include "fsm.h"
 #include "layer2.h"
 
-static int *debug;
+static u_int *debug;
 
 static
 struct Fsm l2fsm = {NULL, 0, 0, NULL, NULL};

drivers/isdn/mISDN/socket.c

@@ -18,7 +18,7 @@
 #include <linux/mISDNif.h>
 #include "core.h"
 
-static int	*debug;
+static u_int	*debug;
 
 static struct proto mISDN_proto = {
 	.name		= "misdn",

drivers/isdn/mISDN/timerdev.c

@@ -24,7 +24,7 @@
 #include <linux/module.h>
 #include <linux/mISDNif.h>
 
-static int	*debug;
+static u_int	*debug;
 
 
 struct mISDNtimerdev {
@@ -274,7 +274,7 @@ static struct miscdevice mISDNtimer = {
 };
 
 int
-mISDN_inittimer(int *deb)
+mISDN_inittimer(u_int *deb)
 {
 	int	err;