Add adaptivedemux, badvideo and badbase to the link-list for the docscanner

https://bugzilla.gnome.org/show_bug.cgi?id=747697

docs/libs/Makefile.am

@@ -58,6 +58,9 @@ GTKDOC_LIBS = \
 	$(top_builddir)/gst-libs/gst/uridownloader/libgsturidownloader-@GST_API_VERSION@.la \
 	$(top_builddir)/gst-libs/gst/mpegts/libgstmpegts-@GST_API_VERSION@.la \
 	$(top_builddir)/gst-libs/gst/gl/libgstgl-@GST_API_VERSION@.la \
+	-L$(top_builddir)/gst-libs/gst/adaptivedemux/.libs \
+	-L$(top_builddir)/gst-libs/gst/video/.libs \
+	-L$(top_builddir)/gst-libs/gst/base/.libs \
   $(GST_BASE_LIBS)
 
 GTKDOC_CC=$(LIBTOOL) --tag=CC --mode=compile $(CC)