staging: rtl8712: remove wrapper function _init_listhead

_init_listhead is just an inline wrapper around INIT_LIST_HEAD.  This
patch removes the wrapper and directly uses INIT_LIST_HEAD instead.

Signed-off-by: James A Shackleford <shack@linux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.h b/drivers/staging/rtl8712/rtl871x_cmd.h
index 0ce79b1..cb8225b 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.h
+++ b/drivers/staging/rtl8712/rtl871x_cmd.h
@@ -83,7 +83,7 @@
 
 #define init_h2fwcmd_w_parm_no_rsp(pcmd, pparm, code) \
 do {\
-	_init_listhead(&pcmd->list);\
+	INIT_LIST_HEAD(&pcmd->list);\
 	pcmd->cmdcode = code;\
 	pcmd->parmbuf = (u8 *)(pparm);\
 	pcmd->cmdsz = sizeof(*pparm);\