message: Fix loading from matrix column pointer
diff: @@ -1239,9 +1239,9 @@ ShaderVariable Debugger::ReadFromPointer(const ShaderVariable &ptr) const
  for(uint32_t row = 0; row < ret.rows; row++)
  {
  if(VarTypeByteSize(ret.type) == 8)
  - val.u64v[0] = ret.value.u64v[row * ret.columns + scalar0];
  + val.u64v[row] = ret.value.u64v[row * ret.columns + scalar0];
  else
  - val.uv[0] = ret.value.uv[row * ret.columns + scalar0];
  + val.uv[row] = ret.value.uv[row * ret.columns + scalar0];
  }
  // it's a vector now, even if it was a matrix before
  