Get doc to build (add missing backslash)

nnorwitz · nnorwitz · commit 76aa2eff4e7b · 2004-07-19T01:39:54.000Z
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
@@ -595,7 +595,7 @@ \subsection{File Descriptor Operations \label{os-fd-ops}}
 Availability: Macintosh, \UNIX, Windows.
 \end{datadesc}
 
-begin{datadesc}{O_DSYNC}
+\begin{datadesc}{O_DSYNC}
 \dataline{O_RSYNC}
 \dataline{O_SYNC}
 \dataline{O_NDELAY}
