message: vertexfilter: Fix MSVC warnings
  All integer truncations are now explicit.
diff: @@ -31,9 +31,9 @@ void meshopt_decodeFilterOct8(void* buffer, size_t vertex_count, size_t vertex_s
  int yf = int(y * s + (y >= 0.f ? 0.5f : -0.5f));
  int zf = int(z * s + (z >= 0.f ? 0.5f : -0.5f));
  - data[i * 4 + 0] = xf;
  - data[i * 4 + 1] = yf;
  - data[i * 4 + 2] = zf;
  + data[i * 4 + 0] = (signed char)(xf);
  + data[i * 4 + 1] = (signed char)(yf);
  + data[i * 4 + 2] = (signed char)(zf);
  }
  }
  @@ -65,9 +65,9 @@ void meshopt_decodeFilterOct12(void* buffer, size_t vertex_count, size_t vertex_
  int yf = int(y * s + (y >= 0.f ? 0.5f : -0.5f));
  int zf = int(z * s + (z >= 0.f ? 0.5f : -0.5f));
  - data[i * 4 + 0] = xf;
  - data[i * 4 + 1] = yf;
  - data[i * 4 + 2] = zf;
  + data[i * 4 + 0] = short(xf);
  + data[i * 4 + 1] = short(yf);
  + data[i * 4 + 2] = short(zf);
  }
  }
  @@ -104,9 +104,9 @@ void meshopt_decodeFilterQuat12(void* buffer, size_t vertex_count, size_t vertex
  int qc = data[i * 4 + 3] & 3;
  - data[i * 4 + order[qc][0]] = xf;
  - data[i * 4 + order[qc][1]] = yf;
  - data[i * 4 + order[qc][2]] = zf;
  - data[i * 4 + order[qc][3]] = wf;
  + data[i * 4 + order[qc][0]] = short(xf);
  + data[i * 4 + order[qc][1]] = short(yf);
  + data[i * 4 + order[qc][2]] = short(zf);
  + data[i * 4 + order[qc][3]] = short(wf);
  }
  }
  