dwrite: Fix GetClusterMetrics() return value.

dlls/dwrite/layout.c

@@ -1730,7 +1730,7 @@ static HRESULT WINAPI dwritetextlayout_GetClusterMetrics(IDWriteTextLayout2 *ifa
         memcpy(metrics, This->clusters, sizeof(DWRITE_CLUSTER_METRICS)*min(max_count, This->clusters_count));
 
     *count = This->clusters_count;
-    return max_count < This->clusters_count ? S_OK : E_NOT_SUFFICIENT_BUFFER;
+    return max_count >= This->clusters_count ? S_OK : E_NOT_SUFFICIENT_BUFFER;
 }
 
 static HRESULT WINAPI dwritetextlayout_DetermineMinWidth(IDWriteTextLayout2 *iface, FLOAT* min_width)

dlls/dwrite/tests/layout.c

@@ -947,7 +947,6 @@ static void test_GetClusterMetrics(void)
 
     count = 0;
     hr = IDWriteTextLayout_GetClusterMetrics(layout, NULL, 0, &count);
-todo_wine
     ok(hr == E_NOT_SUFFICIENT_BUFFER, "got 0x%08x\n", hr);
     ok(count == 4, "got %u\n", count);
 
@@ -962,10 +961,10 @@ todo_wine
     /* inline object takes a separate cluster, replaced codepoints number doesn't matter */
     count = 0;
     hr = IDWriteTextLayout_GetClusterMetrics(layout, NULL, 0, &count);
-todo_wine {
     ok(hr == E_NOT_SUFFICIENT_BUFFER, "got 0x%08x\n", hr);
+todo_wine
     ok(count == 3, "got %u\n", count);
-}
+
     IDWriteInlineObject_Release(trimm);
     IDWriteTextLayout_Release(layout);
     IDWriteTextFormat_Release(format);