[Util-sys] ExtensionsData for win32 was implemented.

да, иначе вот такая ошибка появляется (mingw 4.8.1)
```
libleechcraft_lmp_common.a(filtersettingsmanager.cpp.obj):filtersettingsmanager.cpp:(.rdata$_ZTVN10LeechCraft3LMP21FilterSettingsManagerE[__ZTVN10LeechCraft3LMP21FilterSettingsManagerE]+0x8): undefined reference to `LeechCraft::Util::BaseSettingsManager::metaObject() const'
collect2.exe: error: ld returned 1 exit status
```