Add entry for the new distutils section.
diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index 18e5db2..5a280f9 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -46,6 +46,7 @@
 # LaTeX source files for the Python Library Reference
 LIBFILES= $(MANSTYLES) $(INDEXSTYLES) $(COMMONTEX) \
 	lib/lib.tex \
+	lib/distutils.tex \
 	texinputs/reportingbugs.tex \
 	lib/libintro.tex \
 	lib/libobjs.tex \