staging: rtl8188eu: change return type of rtl8188eu_xmitframe_complete()

The function rtl8188eu_xmitframe_complete() returns true or false.
Change the return type from s32 to bool.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c

@@ -412,7 +412,8 @@ static u32 xmitframe_need_length(struct xmit_frame *pxmitframe)
 	return len;
 }
 
-s32 rtl8188eu_xmitframe_complete(struct adapter *adapt, struct xmit_priv *pxmitpriv)
+bool rtl8188eu_xmitframe_complete(struct adapter *adapt,
+				  struct xmit_priv *pxmitpriv)
 {
 	struct xmit_frame *pxmitframe = NULL;
 	struct xmit_frame *pfirstframe = NULL;

drivers/staging/rtl8188eu/include/rtl8188e_xmit.h

@@ -149,7 +149,7 @@ s32 rtl8188eu_init_xmit_priv(struct adapter *padapter);
 s32 rtl8188eu_xmit_buf_handler(struct adapter *padapter);
 #define hal_xmit_handler rtl8188eu_xmit_buf_handler
 void rtl8188eu_xmit_tasklet(void *priv);
-s32 rtl8188eu_xmitframe_complete(struct adapter *padapter,
+bool rtl8188eu_xmitframe_complete(struct adapter *padapter,
 				  struct xmit_priv *pxmitpriv);
 
 void handle_txrpt_ccx_88e(struct adapter *adapter, u8 *buf);