fix formatting

Vladimir Kotal · Vladimir Kotal · commit f8cb68e46d1b · 2018-12-03T22:25:14.000+01:00
diff --git a/threads.tex b/threads.tex
@@ -409,7 +409,7 @@
 ]]])
 \begin{itemize}
 \item in \emph{once\_control} you pass a pointer to statically initialized
-variable \\
+variable
 ifdef([[[NOSPELLCHECK]]], [[[
 \texttt{pthread\_once\_t \emph{once\_control} = PTHREAD\_ONCE\_INIT;}
 ]]])
