AK: Deal with unsigned integers in binary search.

Author: https://github.com/asynts
Commit: e77031ce67
Pull-request: https://github.com/SerenityOS/serenity/pull/4722

Libraries/LibCompress/Deflate.cpp

@@ -109,8 +109,10 @@ u32 CanonicalCode::read_symbol(InputBitStream& stream) const
 
     for (;;) {
         code_bits = code_bits << 1 | stream.read_bits(1);
+        ASSERT(code_bits < (1 << 16));
 
-        // FIXME: This seems really inefficient, this could be an index into an array instead.
+        // FIXME: This is very inefficent and could greatly be improved by implementing this
+        //        algorithm: https://www.hanshq.net/zip.html#huffdec
         size_t index;
         if (AK::binary_search(m_symbol_codes.span(), code_bits, &index))
             return m_symbol_values[index];