scripts/functions: Use stat correctly on non-GNU (BSD/Darwin) systems.
Call to get the directory mode depending on $CT_SYS_OS
yann.morin.1998@anciens.enib.fr:
CT_SYS_OS has changed on Linuxsystem, it only gets the kernel name "Linux",
and not the system name, 'GNU/'.
1 --- gcc-4.0.0/libstdc++-v3/include/c_std/std_cstdio.h-orig 2005-04-29 00:08:41.000000000 -0500
2 +++ gcc-4.0.0/libstdc++-v3/include/c_std/std_cstdio.h 2005-04-29 00:08:45.000000000 -0500
8 +#if _GLIBCXX_USE_C99 || defined(__UCLIBC__)