input: remove un-used "setter" argument from SetClientPointer.

It's obsolete, not likely to come back, let's drop it.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

Xi/setcptr.c

@@ -103,7 +103,7 @@ ProcXISetClientPointer(ClientPtr client)
     } else
         targetClient = client;
 
-    if (!SetClientPointer(targetClient, client, pDev))
+    if (!SetClientPointer(targetClient, pDev))
     {
         client->errorValue = stuff->deviceid;
         return BadDevice;

dix/events.c

@@ -5691,8 +5691,7 @@ WriteEventsToClient(ClientPtr pClient, int count, xEvent *events)
 }
 
 /*
- * Set the client pointer for the given client. Second parameter setter could
- * be used in the future to determine access rights. Unused for now.
+ * Set the client pointer for the given client.
  *
  * A client can have exactly one ClientPointer. Each time a
  * request/reply/event is processed and the choice of devices is ambiguous
@@ -5701,7 +5700,7 @@ WriteEventsToClient(ClientPtr pClient, int count, xEvent *events)
  * If a keyboard is needed, the first keyboard paired with the CP is used.
  */
 Bool
-SetClientPointer(ClientPtr client, ClientPtr setter, DeviceIntPtr device)
+SetClientPointer(ClientPtr client, DeviceIntPtr device)
 {
     if (!IsMaster(device))
     {

include/dix.h

@@ -486,8 +486,7 @@ extern _X_EXPORT int TryClientEvents(
 extern _X_EXPORT void WindowsRestructured(void);
 
 extern Bool SetClientPointer(
-        ClientPtr /* client */, 
-        ClientPtr /* setter */, 
+        ClientPtr /* client */,
         DeviceIntPtr /* device */);
 
 extern _X_EXPORT DeviceIntPtr PickPointer(