Merge "Fix diff base gitweb link" into stable-2.14
diff --git a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/gitweb/GitwebServlet.java b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/gitweb/GitwebServlet.java
index f3abf2d..89a1268 100644
--- a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/gitweb/GitwebServlet.java
+++ b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/gitweb/GitwebServlet.java
@@ -300,9 +300,9 @@
       p.print("      ('review',$r,'commitdiff');\n");
       p.print("}\n");
       p.print("if ($cgi->param('hb')) {\n");
-      p.print("  add_review_link($cgi->param('hb'));\n");
+      p.print("  add_review_link(scalar $cgi->param('hb'));\n");
       p.print("} elsif ($cgi->param('h')) {\n");
-      p.print("  add_review_link($cgi->param('h'));\n");
+      p.print("  add_review_link(scalar $cgi->param('h'));\n");
       p.print("} else {\n");
       p.print("  add_review_link();\n");
       p.print("}\n");