Staging: rtl8188eu: Fix warning of kfree check is not required.

This patch fixes the warning produced by checkpatch in the file
rtw_cmd.c "kfree(NULL) is safe this check is probably not required". The
patch fixes it in two places for this file.
Signed-off-by: Elena Oat <oat.elena@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_cmd.c

@@ -114,10 +114,7 @@ void _rtw_free_cmd_priv(struct cmd_priv *pcmdpriv)
 {
 
 	if (pcmdpriv) {
-		if (pcmdpriv->cmd_allocated_buf)
 		kfree(pcmdpriv->cmd_allocated_buf);
-
-		if (pcmdpriv->rsp_allocated_buf)
 		kfree(pcmdpriv->rsp_allocated_buf);
 	}
 }