Fix Solaris binary links, cleanups

* doc/*.html doc/site.xsl doc/xml.html: Dagobert Michelsen pointed out
  that binaries build for Solaris now live in OpenCSW
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 72441a5..d05471d 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -32,7 +32,7 @@
 all:
 endif
 
-api: libxml2-api.xml libxml2-refs.xml $(APIPAGES) $(srcdir)/html/index.html $(WIN32_DIR)/libxml2.def.src ../elfgcchack.h
+api: libxml2-api.xml libxml2-refs.xml $(APIPAGES) $(srcdir)/html/index.html $(WIN32_DIR)/libxml2.def.src ../elfgcchack.h $(srcdir)/site.xsl
 
 web: $(PAGES)