Staging: lustre: Edit switch-case indent

This patch fixes indent as the codingStyle
of the kernel recommends in dir.c
Fix checkpatch.pl error:
ERROR: switch and case should be at the same indent.
Signed-off-by: aybuke ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/llite/dir.c

@@ -1910,21 +1910,21 @@ static loff_t ll_dir_seek(struct file *file, loff_t offset, int origin)
 
 	mutex_lock(&inode->i_mutex);
 	switch (origin) {
-		case SEEK_SET:
-			break;
-		case SEEK_CUR:
-			offset += file->f_pos;
-			break;
-		case SEEK_END:
-			if (offset > 0)
-				goto out;
-			if (api32)
-				offset += LL_DIR_END_OFF_32BIT;
-			else
-				offset += LL_DIR_END_OFF;
-			break;
-		default:
+	case SEEK_SET:
+		break;
+	case SEEK_CUR:
+		offset += file->f_pos;
+		break;
+	case SEEK_END:
+		if (offset > 0)
 			goto out;
+		if (api32)
+			offset += LL_DIR_END_OFF_32BIT;
+		else
+			offset += LL_DIR_END_OFF;
+		break;
+	default:
+		goto out;
 	}
 
 	if (offset >= 0 &&