Update documentation cleanfiles.

Add a new intermediate file generated when building the spec.
It's necessary to remove all intermediates to pass `make distcheck`.

Signed-off-by: Mark Harris <mark.hsj@gmail.com>

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 0e96ba1..a98c4d8 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -91,6 +91,7 @@ CLEANFILES = $(SPEC_TEX:%.tex=%.aux) \
             Vorbis_I_spec.lg  Vorbis_I_spec.log \
             Vorbis_I_spec.out Vorbis_I_spec.tmp \
             Vorbis_I_spec.toc Vorbis_I_spec.xref \
+            Vorbis_I_spec.out.ps \
             zzVorbis_I_spec.ps
 DISTCLEANFILES = $(built_docs)