Added support for getting and setting the UI language.

diff --git a/include/winternl.h b/include/winternl.h
index 1a61a5f..aa90a75 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -1267,12 +1267,14 @@
 NTSTATUS  WINAPI NtQueueApcThread(HANDLE,PNTAPCFUNC,ULONG_PTR,ULONG_PTR,ULONG_PTR);
 NTSTATUS  WINAPI NtQueryAttributesFile(const OBJECT_ATTRIBUTES*,FILE_BASIC_INFORMATION*);
 NTSTATUS  WINAPI NtQueryDefaultLocale(BOOLEAN,LCID*);
+NTSTATUS  WINAPI NtQueryDefaultUILanguage(LANGID*);
 NTSTATUS  WINAPI NtQueryDirectoryFile(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,PVOID,ULONG,FILE_INFORMATION_CLASS,BOOLEAN,PUNICODE_STRING,BOOLEAN);
 NTSTATUS  WINAPI NtQueryFullAttributesFile(const OBJECT_ATTRIBUTES*,FILE_NETWORK_OPEN_INFORMATION*);
 NTSTATUS  WINAPI NtQueryInformationFile(HANDLE,PIO_STATUS_BLOCK,PVOID,LONG,FILE_INFORMATION_CLASS);
 NTSTATUS  WINAPI NtQueryInformationProcess(HANDLE,PROCESSINFOCLASS,PVOID,ULONG,PULONG);
 NTSTATUS  WINAPI NtQueryInformationThread(HANDLE,THREADINFOCLASS,PVOID,ULONG,PULONG);
 NTSTATUS  WINAPI NtQueryInformationToken(HANDLE,DWORD,LPVOID,DWORD,LPDWORD);
+NTSTATUS  WINAPI NtQueryInstallUILanguage(LANGID*);
 NTSTATUS  WINAPI NtQueryKey(HKEY,KEY_INFORMATION_CLASS,void *,DWORD,DWORD *);
 NTSTATUS  WINAPI NtQueryMultipleValueKey(HKEY,PVALENTW,ULONG,PVOID,ULONG,PULONG);
 NTSTATUS  WINAPI NtQueryObject(HANDLE, OBJECT_INFORMATION_CLASS, PVOID, ULONG, PULONG);
@@ -1293,6 +1295,7 @@
 NTSTATUS  WINAPI NtSaveKey(HKEY,HANDLE);
 NTSTATUS  WINAPI NtSetContextThread(HANDLE,const CONTEXT*);
 NTSTATUS  WINAPI NtSetDefaultLocale(BOOLEAN,LCID);
+NTSTATUS  WINAPI NtSetDefaultUILanguage(LANGID);
 NTSTATUS  WINAPI NtSetEvent(HANDLE,PULONG);
 NTSTATUS  WINAPI NtSetInformationFile(HANDLE,PIO_STATUS_BLOCK,PVOID,ULONG,FILE_INFORMATION_CLASS);
 NTSTATUS  WINAPI NtSetInformationKey(HKEY,const int,PVOID,ULONG);