Fix compile error when USE_PARTIO is enabled
Fix compile error when USE_PARTIO is enabled

Vertexwahn/appleseed,gospodnetic/appleseed,gospodnetic/appleseed,dictoon/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,Aakash1312/appleseed,gospodnetic/appleseed,pjessesco/appleseed,dictoon/appleseed,aiivashchenko/appleseed,aytekaman/appleseed,aiivashchenko/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,dictoon/appleseed,aiivashchenko/appleseed,Biart95/appleseed,Biart95/appleseed,glebmish/appleseed,est77/appleseed,gospodnetic/appleseed,appleseedhq/appleseed,pjessesco/appleseed,Vertexwahn/appleseed,aiivashchenko/appleseed,dictoon/appleseed,aiivashchenko/appleseed,Biart95/appleseed,appleseedhq/appleseed,glebmish/appleseed,aytekaman/appleseed,glebmish/appleseed,pjessesco/appleseed,est77/appleseed,est77/appleseed,aytekaman/appleseed,luisbarrancos/appleseed,gospodnetic/appleseed,Biart95/appleseed,Vertexwahn/appleseed,est77/appleseed,Aakash1312/appleseed,luisbarrancos/appleseed,Biart95/appleseed,glebmish/appleseed,est77/appleseed,appleseedhq/appleseed,aytekaman/appleseed,Aakash1312/appleseed,pjessesco/appleseed,aytekaman/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,Aakash1312/appleseed,Aakash1312/appleseed,glebmish/appleseed,luisbarrancos/appleseed,dictoon/appleseed,Vertexwahn/appleseed