fixing sort_by for page numbers

Signed-off-by: Chris Cormack <crc@liblime.com>
Signed-off-by: Joshua Ferraro <jmf@liblime.com>

catalogue/search.pl

@@ -341,6 +341,7 @@ my @sort_by;
 foreach my $sort (@sort_by) {
 	$template->param($sort => 1);
 }
+$template->param('sort_by' => $sort_by[0]);
 
 # Use the servers defined, or just search our local catalog(default)
 my @servers;

koha-tmpl/intranet-tmpl/prog/en/includes/page-numbers.inc

@@ -1,9 +1,7 @@
 <!-- TMPL_IF NAME="PAGE_NUMBERS" --><div class="pages">
     <!-- Row of numbers corresponding to search result pages -->
         <!-- TMPL_IF NAME="previous_page_offset" --><a class="nav" href="/cgi-bin/koha/catalogue/search.pl?<!-- TMPL_VAR NAME="query_cgi" --><!-- TMPL_VAR NAME="limit_cgi" -->&amp;offset=<!-- TMPL_VAR NAME="previous_page_offset" --><!-- TMPL_IF NAME="sort_by" -->&amp;sort_by=<!-- TMPL_VAR NAME="sort_by" --><!-- /TMPL_IF -->">&lt;&lt; Previous</a><!-- /TMPL_IF -->
-
     <!-- TMPL_LOOP NAME="PAGE_NUMBERS" --><!-- TMPL_IF NAME="highlight" --><span class="current"><!-- TMPL_VAR NAME="pg" --></span><!-- TMPL_ELSE -->        <a class="nav" href="/cgi-bin/koha/catalogue/search.pl?<!-- TMPL_VAR NAME="query_cgi" --><!-- TMPL_VAR NAME="limit_cgi" -->&amp;offset=<!-- TMPL_VAR NAME="offset" --><!-- TMPL_IF NAME="sort_by" -->&amp;sort_by=<!-- TMPL_VAR NAME="sort_by" --><!-- /TMPL_IF -->"><!-- TMPL_VAR NAME="pg" --></a><!-- /TMPL_IF -->
     <!-- /TMPL_LOOP -->
-
         <!-- TMPL_IF NAME="next_page_offset" --><a class="nav" href="/cgi-bin/koha/catalogue/search.pl?<!-- TMPL_VAR NAME="query_cgi" --><!-- TMPL_VAR NAME="limit_cgi" -->&amp;offset=<!-- TMPL_VAR NAME="next_page_offset" --><!-- TMPL_IF NAME="sort_by" -->&amp;sort_by=<!-- TMPL_VAR NAME="sort_by" --><!-- /TMPL_IF -->">Next &gt;&gt;</a><!-- /TMPL_IF -->
 </div><!-- /TMPL_IF -->