message: fixing bug in install nlopt on centos 7
diff: @@ -8,6 +8,7 @@ SET(NLOPT_SWIG OFF CACHE BOOL "")
  if(NOT DEFINED CMAKE_SUPPRESS_DEVELOPER_WARNINGS)
  set(CMAKE_SUPPRESS_DEVELOPER_WARNINGS 1 CACHE INTERNAL "No dev warnings")
  endif()
  +set(CMAKE_INSTALL_LIBDIR ${CMAKE_INSTALL_PREFIX}/lib)
  add_subdirectory(nlopt)
  set(LIBRARY_NAME xacc-optimizer-nlopt)
  