Fix djot warnings

The `reference` variable is used in printing the warnings and so needs
to be set prior to parsing the page.

diff --git a/build.js b/build.js
index 0eb61fd8de30773f9abed8bea7f99eb6cd9d674e..ae250ca9e6d140c3a9a6ccd760b215ad79c4de3d 100644 (file)
--- a/build.js
+++ b/build.js
@@ -594,6 +594,7 @@ class GitWikiWebPage {
                 `GitWikiWeb: git cat-file returned nonzero exit code: ${catstatus.code}.`,
               );
             } else {
+              const reference = `${namespace}:${pageName}`;
               const page = new GitWikiWebPage(
                 namespace,
                 pageName,
@@ -604,7 +605,6 @@ class GitWikiWebPage {
                 source,
                 config,
               );
-              const reference = `${namespace}:${pageName}`;
               pages.set(reference, page);
               requiredButMissingPages.delete(reference);
             }