Added stub for SetThreadLocale.

include/windows.h

@@ -4187,6 +4187,7 @@ BOOL32      WINAPI SetStdHandle(DWORD,HANDLE32);
 BOOL32      WINAPI SetSystemPowerState(BOOL32,BOOL32);
 BOOL32      WINAPI SetSystemTime(const SYSTEMTIME*);
 DWORD       WINAPI SetThreadAffinityMask(HANDLE32,DWORD);
+BOOL32      WINAPI SetThreadLocale(LCID);
 BOOL32      WINAPI SetThreadPriority(HANDLE32,INT32);
 BOOL32      WINAPI SetTimeZoneInformation(const LPTIME_ZONE_INFORMATION);
 VOID        WINAPI Sleep(DWORD);

relay32/kernel32.spec

@@ -687,7 +687,7 @@ init	MAIN_KernelInit
 668 stub SetTapePosition
 669 stdcall SetThreadAffinityMask(long long) SetThreadAffinityMask
 670 stub SetThreadContext
-671 stub SetThreadLocale
+671 stdcall SetThreadLocale(long) SetThreadLocale
 672 stdcall SetThreadPriority(long long) SetThreadPriority
 673 stdcall SetTimeZoneInformation(ptr) SetTimeZoneInformation
 674 stdcall SetUnhandledExceptionFilter(ptr) SetUnhandledExceptionFilter

scheduler/thread.c

@@ -825,3 +825,19 @@ VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT32 boost )
     FIXME(thread, "(0x%08lx,%d): stub\n", threadId, boost);
 }
 
+/**********************************************************************
+ * SetThreadLocale [KERNEL32.671]  Sets the calling threads current locale.
+ *
+ * RETURNS
+ *    Success: TRUE
+ *    Failure: FALSE
+ *
+ * NOTES
+ *  Implemented in NT only (3.1 and above according to MS
+ */
+BOOL32 WINAPI SetThreadLocale(
+    LCID lcid)     /* [in] Locale identifier */
+{
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return FALSE;
+}