On TlsFree, clear the released TLS index in all threads.

diff --git a/include/thread.h b/include/thread.h
index f9d8379..dd7d0db 100644
--- a/include/thread.h
+++ b/include/thread.h
@@ -128,7 +128,8 @@
     USHORT       StaticUnicodeBuffer[261];   /* -2- c00 used by advapi32 */
     PVOID        DeallocationStack;          /* -2- e0c Base of the stack */
     LPVOID       TlsSlots[64];               /* -2- e10 Thread local storage */
-    DWORD        pad8[3];                    /* --n f10 */
+    LIST_ENTRY   TlsLinks;                   /* -2- f10 */
+    DWORD        pad8[1];                    /* --n f18 */
     PVOID        ReservedForNtRpc;           /* -2- f1c used by rpcrt4 */
     DWORD        pad9[24];                   /* --n f20 */
     PVOID        ReservedForOle;             /* -2- f80 used by ole32 (IErrorInfo*) */
diff --git a/include/winternl.h b/include/winternl.h
index f471b85..1ef12d8 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -171,7 +171,7 @@
     WCHAR           StaticUnicodeBuffer[261];   /* c00 used by advapi32 */
     PVOID           DeallocationStack;          /* e0c */
     PVOID           TlsSlots[64];               /* e10 */
-    BYTE            Reserved3[8];               /* f10 */
+    LIST_ENTRY      TlsLinks;                   /* f10 */
     PVOID           Reserved4[26];              /* f18 */
     PVOID           ReservedForOle;             /* f80 Windows 2000 only */
     PVOID           Reserved5[4];               /* f84 */
@@ -1019,6 +1019,7 @@
 NTSTATUS  WINAPI NtSetInformationFile(HANDLE,PIO_STATUS_BLOCK,PVOID,ULONG,FILE_INFORMATION_CLASS);
 NTSTATUS  WINAPI NtSetInformationKey(HKEY,const int,PVOID,ULONG);
 NTSTATUS  WINAPI NtSetInformationObject(HANDLE, OBJECT_INFORMATION_CLASS, PVOID, ULONG);
+NTSTATUS  WINAPI NtSetInformationThread(HANDLE,THREADINFOCLASS,LPCVOID,ULONG);
 NTSTATUS  WINAPI NtSetSecurityObject(HANDLE,SECURITY_INFORMATION,PSECURITY_DESCRIPTOR);
 NTSTATUS  WINAPI NtSetSystemTime(const LARGE_INTEGER*,LARGE_INTEGER*);
 NTSTATUS  WINAPI NtSetTimer(HANDLE, const LARGE_INTEGER*, PTIMERAPCROUTINE, PVOID, BOOLEAN, ULONG, BOOLEAN*);