message: update error messgaes for streamlines commit()
diff: @@ -48,7 +48,7 @@ namespace ospray {
  if (!vertexData)
  throw std::runtime_error("streamlines must have 'vertex' array");
  if (vertexData->type != OSP_FLOAT4 && vertexData->type != OSP_FLOAT3A)
  - throw std::runtime_error("'vertex' must have data type OSP_FLOAT4 or OSP_FLOAT3A");
  + throw std::runtime_error("streamlines 'vertex' must be type OSP_FLOAT4 or OSP_FLOAT3A");
  vertex = (vec3fa*)vertexData->data;
  numVertices = vertexData->numItems;
  if (vertexData->type == OSP_FLOAT4) {
  @@ -58,9 +58,9 @@ namespace ospray {
  indexData = getParamData("index",nullptr);
  if (!indexData)
  - throw std::runtime_error("streamlinee must have 'index' array");
  + throw std::runtime_error("streamlines must have 'index' array");
  if (indexData->type != OSP_INT)
  - throw std::runtime_error("'index' must have data type OSP_INT");
  + throw std::runtime_error("streamlines 'index' array must be type OSP_INT");
  index = (uint32*)indexData->data;
  numSegments = indexData->numItems;
  