Added sys-apps/gptfdisk (gdisk) package

gdisk is necessary to allow self-installation to GPT disks.

src/etc/portage/sets/basic

@@ -8,6 +8,7 @@ net-dialup/mingetty
 # Disk utilities
 sys-apps/hdparm
 sys-apps/sdparm
+sys-apps/gptfdisk
 sys-apps/smartmontools
 sys-apps/dcfldd
 app-arch/libarchive