staging: exfat: remove redundant if statements

If statement does not affect results when updating directory entry in
ffsMapCluster().
Signed-off-by: Tetsuhiro Kohada <Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp>
Link: https://lore.kernel.org/r/20200302095716.64155-2-Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jpSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/exfat/exfat_super.c

@@ -1361,11 +1361,8 @@ static int ffsMapCluster(struct inode *inode, s32 clu_offset, u32 *clu)
 
 		/* (3) update directory entry */
 		if (modified) {
-			if (exfat_get_entry_flag(ep) != fid->flags)
-				exfat_set_entry_flag(ep, fid->flags);
-
-			if (exfat_get_entry_clu0(ep) != fid->start_clu)
-				exfat_set_entry_clu0(ep, fid->start_clu);
+			exfat_set_entry_flag(ep, fid->flags);
+			exfat_set_entry_clu0(ep, fid->start_clu);
 		}
 
 		update_dir_checksum_with_entry_set(sb, es);