Add missing dep for cookielib doc
diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index aa843a4..832402d 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -271,6 +271,7 @@
 	lib/libgettext.tex \
 	lib/libbasehttp.tex \
 	lib/libcookie.tex \
+	lib/libcookielib.tex \
 	lib/libcopyreg.tex \
 	lib/libsymbol.tex \
 	lib/libbinhex.tex \