Input: whitespace fixes in driver/input/joystick

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index ec0a2a6..a436f22 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -4,8 +4,8 @@
  *  Copyright (c) 1999-2001 Vojtech Pavlik
  *
  *  Based on the work of:
- *  	David Thompson
- *  	Joseph Krahn
+ *	David Thompson
+ *	Joseph Krahn
  */
 
 /*