staging: rtl8188eu: add spaces around '+' in odm_hwconfig.c

Add spaces around '+' in odm_hwconfig.c to follow kernel coding style.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/odm_hwconfig.c

@@ -21,7 +21,7 @@ static u8 odm_QueryRxPwrPercentage(s8 AntPower)
 	else if (AntPower >= 0)
 		return	100;
 	else
-		return 100+AntPower;
+		return 100 + AntPower;
 }
 
 /*  2012/01/12 MH MOve some signal strength smooth method to MP HAL layer. */
@@ -145,7 +145,7 @@ static void odm_RxPhyStatus92CSeries_Parsing(struct odm_dm_struct *dm_odm,
 		PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all);
 		if (!cck_highpwr) {
 			if (PWDB_ALL >= 80)
-				PWDB_ALL = ((PWDB_ALL-80)<<1)+((PWDB_ALL-80)>>1)+80;
+				PWDB_ALL = ((PWDB_ALL-80)<<1) + ((PWDB_ALL-80)>>1) + 80;
 			else if ((PWDB_ALL <= 78) && (PWDB_ALL >= 20))
 				PWDB_ALL += 3;
 			if (PWDB_ALL > 100)
@@ -377,7 +377,7 @@ static void odm_Process_RSSIForDM(struct odm_dm_struct *dm_odm,
 
 		if (pEntry->rssi_stat.ValidBit == 64) {
 			Weighting = min_t(u32, OFDM_pkt << 4, 64);
-			UndecoratedSmoothedPWDB = (Weighting*UndecoratedSmoothedOFDM+(64-Weighting)*UndecoratedSmoothedCCK)>>6;
+			UndecoratedSmoothedPWDB = (Weighting*UndecoratedSmoothedOFDM + (64-Weighting)*UndecoratedSmoothedCCK)>>6;
 		} else {
 			if (pEntry->rssi_stat.ValidBit != 0)
 				UndecoratedSmoothedPWDB = (OFDM_pkt * UndecoratedSmoothedOFDM +