message: Fix CMake error using multi-configuration generator
diff: @@ -97,7 +97,7 @@ variables (LIEF_USE_CRT_DEBUG, etc) instead.")
  endforeach(build_type)
  endmacro(choose_msvc_crt MSVC_CRT)
  -string(TOUPPER ${CMAKE_BUILD_TYPE} build)
  +string(TOUPPER "${CMAKE_BUILD_TYPE}" build)
  set(LIEF_CRT "/${LIEF_USE_CRT_${build}}")
  message(STATUS "LIEF_CRT: ${LIEF_CRT}")
  # List of valid CRTs for MSVC
  