fix compilation for gcc 4.8 & some unit test

open-license-manager

2014-07-22 956f5dffa76908fe70dffaf9aeee11f057208895

 src/library/os/linux/CMakeLists.txt

@@ -1,4 +1,5 @@
ADD_LIBRARY(os STATIC
   os-linux.c
    os-linux.cpp
)