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 reporter_name="unknown"
2 reporter_url="http://iphonelinux.org/index.php/Glibc_toolchain_using_crosstool-NG"
3 reporter_comment="An (experimental) toolchain targeting the Apple's iPhone."