doc: list files/directories in EXTRA_DIST

So files get included in the distribution and pass
make distcheck.

doc/userguide/Makefile.am

@@ -1,3 +1,28 @@
+EXTRA_DIST = \
+	conf.py \
+	index.rst \
+	acknowledgements.rst \
+	oinkmaster.rst \
+	snort-compatibility.rst \
+	command-line-options.rst \
+	initscripts.rst \
+	public-data-sets.rst \
+	what-is-suricata.rst \
+	dropping-privileges.rst \
+	make-sense-alerts.rst \
+	setting-up-ipsinline-for-linux.rst \
+	capture-hardware \
+	configuration \
+	file-extraction \
+	licenses \
+	manpages \
+	oinkmaster \
+	output \
+	performance \
+	reputation \
+	rules \
+	setting-up-ipsinline-for-linux
+
 if HAVE_SPHINXBUILD
 man1_MANS = _build/man/suricata.1
 
@@ -5,13 +30,15 @@ html:
 	sysconfdir=$(sysconfdir) \
 	localstatedir=$(localstatedir) \
 	version=$(PACKAGE_VERSION) \
-		sphinx-build -b html -d _build/doctrees . _build/html
+		sphinx-build -b html -d _build/doctrees \
+		$(top_srcdir)/doc/userguide _build/html
 
 _build/man/suricata.1:
 	sysconfdir=$(sysconfdir) \
 	localstatedir=$(localstatedir) \
 	version=$(PACKAGE_VERSION) \
-		sphinx-build -b man -d _build/doctrees . _build/man
+		sphinx-build -b man -d _build/doctrees \
+		$(top_srcdir)/doc/userguide _build/man
 
 clean-local:
 	rm -rf $(top_builddir)/doc/userguide/_build