add liblogging

Doc/lib/lib.tex

@@ -154,6 +154,7 @@ and how to embed it in other applications.
 \input{libshutil}
 \input{liblocale}
 \input{libgettext}
+\input{liblogging}
 
 \input{libsomeos}               % Optional Operating System Services
 \input{libsignal}