Adding Martin von Loewis' documentation for his locale module.
diff --git a/Doc/lib.tex b/Doc/lib.tex
index aa8c31e..38ba18d 100644
--- a/Doc/lib.tex
+++ b/Doc/lib.tex
@@ -121,6 +121,7 @@
 \input{liberrno}
 \input{libglob}
 \input{libfnmatch}
+\input{liblocale}
 
 \input{libsomeos}		% Optional Operating System Services
 \input{libsignal}