staging: rtl8712: Add missing whitespace in struct definition

Fixes scripts/checkpatch.pl warning.
Signed-off-by: Michael Fiedler <michael.fiedler@informatik.stud.uni-erlangen.de>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8712/rtl8712_hal.h

@@ -113,7 +113,7 @@ struct fw_hdr {/*8-byte alinment required*/
 	struct fw_priv	fwpriv;
 };
 
-struct hal_priv{
+struct hal_priv {
 	/*Endpoint handles*/
 	struct  net_device *pipehdls_r8712[10];
 	u8 (*hal_bus_init)(struct _adapter *adapter);