message: Explicitly mark intended switch case fallthrough
diff: @@ -34,10 +34,18 @@ unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char
  switch(vDataToHash.size() & 3)
  {
  - case 3: k1 ^= tail[2] << 16;
  - case 2: k1 ^= tail[1] << 8;
  - case 1: k1 ^= tail[0];
  - k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; h1 ^= k1;
  + case 3:
  + k1 ^= tail[2] << 16;
  + // fallthrough
  + case 2:
  + k1 ^= tail[1] << 8;
  + // fallthrough
  + case 1:
  + k1 ^= tail[0];
  + k1 *= c1;
  + k1 = ROTL32(k1, 15);
  + k1 *= c2;
  + h1 ^= k1;
  };
  //----------
  