fix possible return value

Gabriele Contini

2019-12-08 e0192d29a4fbeb668eb2a35be0f46e2676c9d045

 src/library/base/CMakeLists.txt

@@ -1,7 +1,12 @@
ADD_LIBRARY(base STATIC
    EventRegistry.cpp
    StringUtils.cpp
    FileUtils.cpp
    logger.c
    base64.c
)

add_dependencies( base public_key )
add_dependencies( base project_initialize )

install(TARGETS base EXPORT licensecc ARCHIVE DESTINATION lib/${PROJECT_NAME}/${LCC_PROJECT_NAME})