staging: rtl8712: Fixed 'tabstop' coding style warning

Replace a mix of tabs and spaces indentation by tabs only.

Fixed checkpatch warning "Statements should start on a tabstop".
Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/drv_types.h

@@ -161,7 +161,7 @@ struct _adapter {
 	u8	EepromAddressSize;
 	u8	hw_init_completed;
 	struct task_struct *cmdThread;
-	 pid_t evtThread;
+	pid_t evtThread;
 	struct task_struct *xmitThread;
 	pid_t recvThread;
 	uint (*dvobj_init)(struct _adapter *adapter);