Log Message:
Update srm from 1.2.8 to 1.2.15

pkgsrc changes:
 - set LICENSE (x11)
 - add test target
 - add new NetBSD patches
 - keep INTERIX patch, not tested

Upstream changelog
==================
release 1.2.15
        fix handling of files > 2GB on Windows.
        fix handling of symlinks to files owned by root.

release 1.2.14
        fix fill() function, this fixes DoE and Gutmann modes.
        new --rcmp mode.
        use simple mode by default and not Gutmann 35 pass.

release 1.2.13
        fix handling of OsX resource forks.

release-1_2_12
        now using SVN on SourceForge.
        small updates to autotools build files.
        support Haiku operating system.
        overwrite POSIX extended attributes.
        srm has exit code != 0 if removing any file or directory failed.
        handle alternate data streams on Windows and NTFS.
        handle hard links on Windows and NTFS.

release-1_2_11
        Win32 command line wildcard expansion
        -v -v displays current write position
        SIGINFO, SIGUSR2 display current write position
        -x does not cross file system boundaries
        overwrite block devices

release-1_2_10
        Mac OsX compiles and works again
        add DoE wipe mode
        fix deletion of named pipes/fifos
        Debian fixes
        Win32 fixes

release-1_2_9
        fix deletion of 0 byte files
        fix handling of files <4096 bytes
        fix handling of files >2GiB on 32bit
        OpenBSD compat switch
        handle OsX ressource fork
        added some code from OsX port
        Win32 version