Fix plist to eliminate these compilation errors:

=======================<phase: package        >============================
===>  Building package for glusterfs-20140629
pkg-static: lstat(/wrkdirs/usr/ports/sysutils/glusterfs/work/stage/usr/local/lib/glusterfs/3.5qa2/xlator/encryption/crypt.so): No such file or directory
pkg-static: lstat(/wrkdirs/usr/ports/sysutils/glusterfs/work/stage/usr/local/lib/libgfapi.so.7.0.0): No such file or directory
pkg-static: lstat(/wrkdirs/usr/ports/sysutils/glusterfs/work/stage/usr/local/lib/libgfchangelog.so.0.0.1): No such file or directory
pkg-static: lstat(/wrkdirs/usr/ports/sysutils/glusterfs/work/stage/usr/local/lib/libgfrpc.so.0.0.1): No such file or directory
pkg-static: lstat(/wrkdirs/usr/ports/sysutils/glusterfs/work/stage/usr/local/lib/libgfxdr.so.0.0.1): No such file or directory
pkg-static: lstat(/wrkdirs/usr/ports/sysutils/glusterfs/work/stage/usr/local/lib/libglusterfs.so.0.0.1): No such file or directory
pkg-static: fopen(/usr/ports/Keywords/sample.yaml): No such file or directory
pkg-static: unknown keyword sample, ignoring @sample
*** [do-package] Error code 1

Stop in /usr/ports/sysutils/glusterfs.