fix memory leaks on error

Jan Willamowius

2019-04-21 b0a6c005b9db25ab91bd686a260e6651f512e0c3

 src/tools/base_lib/CMakeLists.txt

@@ -17,3 +17,5 @@
     tools_base
     ${EXTERNAL_LIBS}
)

install(TARGETS tools_base ARCHIVE DESTINATION lib)