staging: r8188eu: convert rtw_inc_and_chk_continual_urb_error() to bool

Function rtw_inc_and_chk_continual_urb_error() returns boolean values.
Change its return type from int to bool.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220329103756.6740-5-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/include/usb_ops.h

@@ -25,7 +25,7 @@
  * @return true:
  * @return false:
  */
-static inline int rtw_inc_and_chk_continual_urb_error(struct dvobj_priv *dvobj)
+static inline bool rtw_inc_and_chk_continual_urb_error(struct dvobj_priv *dvobj)
 {
 	int value = atomic_inc_return(&dvobj->continual_urb_error);