Example:
[HS1.DXF.gz](https://github.com/LibreDWG/libredwg/files/10474512/HS1.DXF.gz)
[HS1.DWG.gz](https://github.com/LibreDWG/libredwg/files/10474513/HS1.DWG.gz)

Actual output:
```
HANDLING: 1 [RS 70]
HANDSEED: 0 [RSx 5]
unknown_4f2: 4080275968 [RL 70]
```

In DXF is: 
```
$HANDLING
 70
     1
  9
$HANDSEED
  5
1234F4
  9
```
Fix HANDSEED in preR13
This is a GitHub Issue
repo:libredwg
owner:LibreDWG
Title : Fix HANDSEED in preR13
Issue date:

--- start body ---
Example:
[HS1.DXF.gz](https://github.com/LibreDWG/libredwg/files/10474512/HS1.DXF.gz)
[HS1.DWG.gz](https://github.com/LibreDWG/libredwg/files/10474513/HS1.DWG.gz)

Actual output:
```
HANDLING: 1 [RS 70]
HANDSEED: 0 [RSx 5]
unknown_4f2: 4080275968 [RL 70]
```

In DXF is: 
```
$HANDLING
 70
     1
  9
$HANDSEED
  5
1234F4
  9
```
--- end body ---
