Ignore more generated files.

.gitignore

 Makefile
 Makefile.in
+*.o
+.deps
+.libs
 vorbis-tools-*.zip
 vorbis-tools-*.tar.gz
 compile
@@ -22,3 +25,17 @@ missing
 aclocal.m4
 install-sh
 .project
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4
+ogg123/ogg123
+oggdec/oggdec
+oggenc/oggenc
+ogginfo/ogginfo
+po/POTFILES
+share/libgetopt.a
+share/libutf8.a
+vcut/vcut
+vorbiscomment/vorbiscomment