fix gcc 5.4 warnings

Jan Willamowius

2019-04-22 ee2a290abf16f4fd4736c2f4e17e9cff87f50447

 src/library/base/CMakeLists.txt

@@ -1,6 +1,9 @@
ADD_LIBRARY(base STATIC
    EventRegistry.cpp
    StringUtils.cpp
    logger.c
)

add_dependencies( base public_key )
add_dependencies( base public_key )

install(TARGETS base ARCHIVE DESTINATION lib)