fix unit test with old versions of boost

Gabriele Contini

2020-02-10 7cd73dd4f6ddec566c33596766c779beb873aa63

 src/library/CMakeLists.txt

@@ -8,6 +8,7 @@
    LicenseReader.cpp
    limits/license_verifier.cpp
    ini/ConvertUTF.c
    $<TARGET_OBJECTS:pc_identifier>
    $<TARGET_OBJECTS:locate>
    $<TARGET_OBJECTS:os>
    $<TARGET_OBJECTS:base>