TUN-813: Clean up cloudflared dependencies

vendor/github.com/cloudflare/brotli-go/enc/block_encoder_inc.h

@@ -0,0 +1,33 @@
+/* NOLINT(build/header_guard) */
+/* Copyright 2014 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* template parameters: FN */
+
+#define HistogramType FN(Histogram)
+
+/* Creates entropy codes for all block types and stores them to the bit
+   stream. */
+static void FN(BuildAndStoreEntropyCodes)(MemoryManager* m, BlockEncoder* self,
+    const HistogramType* histograms, const size_t histograms_size,
+    HuffmanTree* tree, size_t* storage_ix, uint8_t* storage) {
+  const size_t alphabet_size = self->alphabet_size_;
+  const size_t table_size = histograms_size * alphabet_size;
+  self->depths_ = BROTLI_ALLOC(m, uint8_t, table_size);
+  self->bits_ = BROTLI_ALLOC(m, uint16_t, table_size);
+  if (BROTLI_IS_OOM(m)) return;
+
+  {
+    size_t i;
+    for (i = 0; i < histograms_size; ++i) {
+      size_t ix = i * alphabet_size;
+      BuildAndStoreHuffmanTree(&histograms[i].data_[0], alphabet_size, tree,
+          &self->depths_[ix], &self->bits_[ix], storage_ix, storage);
+    }
+  }
+}
+
+#undef HistogramType