(libunix.tex): Changed two occurances of "Unix" to "\UNIX{}".
diff --git a/Doc/lib/libunix.tex b/Doc/lib/libunix.tex
index 47ed029..361aa16 100644
--- a/Doc/lib/libunix.tex
+++ b/Doc/lib/libunix.tex
@@ -19,7 +19,7 @@
--- The group database (\code{getgrnam()} and friends).
\item[crypt]
---- The \code{crypt()} function used to check Unix passwords.
+--- The \code{crypt()} function used to check \UNIX{} passwords.
\item[dbm]
--- The standard ``database'' interface, based on \code{ndbm}.
@@ -40,6 +40,6 @@
--- A file-like object with support for locking.
\item[syslog]
---- An interface to the Unix \code{syslog} library routines.
+--- An interface to the \UNIX{} \code{syslog} library routines.
\end{description}