Fix for bug 445706 . Always abort nsinstall when a symlink creation race is detected.
Fix for bug 445706 . Always abort nsinstall when a symlink creation race is detected.

nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,nmav/nss,nmav/nss,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,ekr/nss-old,ekr/nss-old,ekr/nss-old