build: don't delete non-existent files

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 79714632e14519ebd81a45dee6e1178789ed38bd..0931be2bfb9cf791187f59b3c47a962b49d98a1e 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -137,8 +137,7 @@ clean-local:
        rm -f *~ *.html *.orig *.rej  *.ps mutt.1 smime_keys.1 muttrc.man pgpewrap.1 pgpring.1
        rm -f *.aux *.log *.tex *.out
 
-DISTCLEANFILES=manual.txt manual.html manual.xml manual.pdf html \
-              instdoc Muttrc
+DISTCLEANFILES=manual.txt manual.html manual.xml instdoc Muttrc
 
 instdoc: instdoc.sh
        cp instdoc.sh instdoc