staging: sm750fb: fix tabstop style warning

Fixes sm750fb tabstop style warning
found by checkpatch.pl tool

---
changelog:
v2) Fixed email subject
v3) Fixed email format

drivers/staging/sm750fb/sm750_accel.c | 2 +-

1 file changed, 1 insertion(+), 1 deletion(-)

index 6fd18d2..af0db57 100644
@@ -395,6 +395,6 @@ int sm750_hw_imageblit(struct lynx_accel *accel,
 		pSrcbuf += srcDelta;
 	}
 
-	    return 0;
+	return 0;
 }