ui-ssdiff.c: set correct diffmode in "control panel"

When side-by-side-diffs=1 was set in cgitrc, specifying 'ss=0' in the
querystring would not set the 'unified' option as active in the dropdown
box used to select diffmode.

1 files changed, 1 insertions, 3 deletions

diff --git a/ui-diff.c b/ui-diff.c
index af24a6c..c6bad63 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -341,9 +341,7 @@ void cgit_print_diff_ctrls()
         html("<td class='label'>mode:</td>");
         html("<td class='ctrl'>");
         html("<select name='ss' onchange='this.form.submit();'>");
-        curr = ctx.qry.ssdiff;
-        if (!curr && ctx.cfg.ssdiff)
-                curr = 1;
+        curr = ctx.qry.has_ssdiff ? ctx.qry.ssdiff : ctx.cfg.ssdiff;
         html_intoption(0, "unified", curr);
         html_intoption(1, "ssdiff", curr);
         html("</select></td></tr>");