[client] input: track pointer confinement state

client/src/main.c

@@ -131,6 +131,7 @@ static void lgInit(void)
   g_cursor.scale.y       = 1.0;
   g_cursor.draw          = false;
   g_cursor.inView        = false;
+  g_cursor.viewReq       = false;
   g_cursor.guest.valid   = false;
 
   // if spice is not in use, hide the local cursor