remove *.lof as well;

--- a/doc-src/Makefile.in	Tue Dec 02 14:29:12 2008 +0100
+++ b/doc-src/Makefile.in	Wed Dec 03 21:02:12 2008 +0100
@@ -13,7 +13,7 @@
 SEDINDEX = ../sedindex
 FIXBOOKMARKS = perl -pi ../fixbookmarks.pl
 
-DEFAULT_GARBAGE = *.aux *.log *.toc *.idx *.rai *.rao *.bbl *.ind *.ilg *.blg *.out
+DEFAULT_GARBAGE = *.aux *.log *.toc *.idx *.rai *.rao *.bbl *.ind *.ilg *.blg *.out *.lof
 DEFAULT_OUTPUT = *.dvi *.pdf *.ps
 GARBAGE =
 OUTPUT =