Documentation for the gc module.  Text from Neil Schemenauer
<nascheme@enme.ucalgary.ca>, markup & minor revisions from Fred
Drake.
diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index af3d8cc..9b82b2e 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -48,6 +48,7 @@
 	../lib/libfuncs.tex \
 	../lib/libpython.tex \
 	../lib/libsys.tex \
+	../lib/libgc.tex \
 	../lib/libtypes.tex \
 	../lib/libtraceback.tex \
 	../lib/libpickle.tex \