ntdll: Mark LDR data as initialized.

dlls/kernel32/tests/loader.c

@@ -2991,10 +2991,13 @@ static void test_ResolveDelayLoadedAPI(void)
 
 static void test_InMemoryOrderModuleList(void)
 {
-    LIST_ENTRY *entry1, *mark1 = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
-    LIST_ENTRY *entry2, *mark2 = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
+    PEB_LDR_DATA *ldr = NtCurrentTeb()->Peb->LdrData;
+    LIST_ENTRY *entry1, *mark1 = &ldr->InLoadOrderModuleList;
+    LIST_ENTRY *entry2, *mark2 = &ldr->InMemoryOrderModuleList;
     LDR_MODULE *module1, *module2;
 
+    ok(ldr->Initialized == TRUE, "expected TRUE, got %u\n", ldr->Initialized);
+
     for (entry1 = mark1->Flink, entry2 = mark2->Flink;
          entry1 != mark1 && entry2 != mark2;
          entry1 = entry1->Flink, entry2 = entry2->Flink)

dlls/ntdll/thread.c

@@ -259,6 +259,7 @@ HANDLE thread_init(void)
     params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
     params.wShowWindow = 1; /* SW_SHOWNORMAL */
     ldr.Length = sizeof(ldr);
+    ldr.Initialized = TRUE;
     RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
     RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
                          sizeof(peb->TlsExpansionBitmapBits) * 8 );