HID: udraw-ps3: accel_limits is local to the driver

And as such should be marked static to avoid global namespace pollution.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-udraw-ps3.c

@@ -54,7 +54,7 @@ enum {
  * Accelerometer min/max values
  * in order, X, Y and Z
  */
-struct {
+static struct {
 	int min;
 	int max;
 } accel_limits[] = {