9860 cpio_cleanup: $tarchive is already fully-qualified

With set -x at the start of the cpio_cleanup() function, before:
omni# /boot/solaris/bin/create_ramdisk -R /a -f cpio
Creating boot_archive for /a
updating /a/platform/i86pc/amd64/boot_archive (CPIO)
+ [ -f //a//a/platform/i86pc/amd64/boot_archive.3245.new ]
+ [ -f //a//a/platform/i86pc/amd64/boot_archive.3245.new.cpio ]
+ [ -f //a//a/platform/i86pc/amd64/boot_archive.3245.new.hash ]

After:
omni# /boot/solaris/bin/create_ramdisk -R /a -f cpio
Creating boot_archive for /a
updating /a/platform/i86pc/amd64/boot_archive (CPIO)
+ rm -f /a/platform/i86pc/amd64/boot_archive.762.new /a/platform/i86pc/amd64/boot_archive.762.new.cpio /a/platform/i86pc/amd64/boot_archive.762.new.hash