staging: rtl8188eu: break line longer than 80 cols

Break too long line to follow kernel coding style.
Signed-off-by: Kacper Kołodziej <kacper@kolodziej.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_ap.c

@@ -362,7 +362,8 @@ void	expire_timeout_chk(struct adapter *padapter)
 				stainfo_offset =
 					rtw_stainfo_offset(pstapriv, psta);
 				if (stainfo_offset_valid(stainfo_offset))
-					chk_alive_list[chk_alive_num++] = stainfo_offset;
+					chk_alive_list[chk_alive_num++] =
+						stainfo_offset;
 				continue;
 			}