server: Only require THREAD_SET_LIMITED_INFORMATION access to set thread description.

dlls/kernel32/tests/thread.c

@@ -2538,13 +2538,11 @@ static void test_thread_description(void)
     thread = OpenThread(THREAD_SET_LIMITED_INFORMATION, FALSE, GetCurrentThreadId());
 
     hr = pSetThreadDescription(thread, desc);
-    todo_wine
     ok(hr == HRESULT_FROM_NT(STATUS_SUCCESS), "Failed to set thread description, hr %#lx.\n", hr);
 
     ptr = NULL;
     hr = pGetThreadDescription(GetCurrentThread(), &ptr);
     ok(hr == HRESULT_FROM_NT(STATUS_SUCCESS), "Failed to get thread description, hr %#lx.\n", hr);
-    todo_wine
     ok(!lstrcmpW(ptr, desc), "Unexpected description %s.\n", wine_dbgstr_w(ptr));
     LocalFree(ptr);
 

server/thread.c

@@ -1534,8 +1534,10 @@ DECL_HANDLER(get_thread_times)
 DECL_HANDLER(set_thread_info)
 {
     struct thread *thread;
+    unsigned int access = (req->mask == SET_THREAD_INFO_DESCRIPTION) ? THREAD_SET_LIMITED_INFORMATION
+                                                                     : THREAD_SET_INFORMATION;
 
-    if ((thread = get_thread_from_handle( req->handle, THREAD_SET_INFORMATION )))
+    if ((thread = get_thread_from_handle( req->handle, access )))
     {
         set_thread_info( thread, req );
         release_object( thread );