* src/dircolors.hin: Add the MISSING entry, to indicate
this as a possibility in new templates output from dircolors,
and also to ease comparison with existing databases that
generally do define a MISSING entry.
DOOR 01;35 # door
BLK 40;33;01 # block device driver
CHR 40;33;01 # character device driver
-ORPHAN 40;31;01 # symlink to nonexistent file, or non-stat'able file
+ORPHAN 40;31;01 # symlink to nonexistent file, or non-stat'able file ...
+MISSING 00 # ... and the files they point to
SETUID 37;41 # file that is setuid (u+s)
SETGID 30;43 # file that is setgid (g+s)
CAPABILITY 30;41 # file with capability