Staging: rt2860: Fix minor compiler warnings

The build is "clean" now for this driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rt2860/2860_main_dev.c

@@ -1022,7 +1022,7 @@ BOOLEAN RT28XXNetDevInit(
 	IN RTMP_ADAPTER 		*pAd)
 {
 	struct pci_dev *pci_dev = (struct pci_dev *)_dev_p;
-    CHAR	*print_name;
+    const CHAR	*print_name;
     ULONG	csr_addr;
 
 

drivers/staging/rt2860/common/cmm_data.c

@@ -943,9 +943,6 @@ BOOLEAN RTMP_FillTxBlkInfo(
 	}
 
 	return TRUE;
-
-FillTxBlkErr:
-	return FALSE;
 }
 
 

drivers/staging/rt2860/sta/sync.c

@@ -1300,8 +1300,6 @@ VOID PeerBeacon(
 						{
 							if (pAd->StaCfg.Adhoc20NJoined == FALSE)
 							{
-								UCHAR	ByteValue = 0;
-
 								pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
 
 								pAd->StaCfg.Adhoc20NJoined = TRUE;