[libsoup] docs: fix build

[Dan Winship <danw src gnome org>]

commit 931fd82e1eb63319e381507e975a344c523a35f7
Author: Dan Winship <danw gnome org>
Date:   Tue Mar 3 11:04:33 2015 -0500

    docs: fix build

 docs/reference/Makefile.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index d5e26cb..311fce8 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -45,7 +45,8 @@ IGNORE_HFILES= soup.h soup-enum-types.h \
        soup-cookie-jar-sqlite.h soup-requester.h soup-tld-private.h \
        soup-misc-private.h soup-proxy-uri-resolver.h \
        soup-proxy-resolver-wrapper.h soup-proxy-uri-resolver.h \
-       soup-cache-private.h soup-socket-private.h
+       soup-cache-private.h soup-cache-client-input-stream.h \
+       soup-socket-private.h
 
 # Images to copy into HTML directory.
 HTML_IMAGES =