Fixed travis compile error
Fixed travis compile error

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