Unexpected error message on locked file update

Unexpected error message on locked file update:
```
Updating '.':
svn: E210002: Network connection closed unexpectedly
```
Insead of:
```
Updating '.':
svn: E155009: Failed to run the WC DB work queue associated with 'D:\Temp\example', work item 24 (file-remove notepad2.exe)
svn: E720005: Can't remove file 'D:\Temp\example\notepad2.exe': Отказано в доступе.
```