Print out parsed namespace on request

This is not strictly necessary,
as we do not have any way to generate namespace entries from a scan-path,
but I'd rather not leave this as a surprise
to someone who comes up with a good namespace discovery mechanism.

Signed-off-by: Richard Maw <richard.maw@gmail.com>

cgit.c

@@ -778,6 +778,8 @@ static void print_repo(FILE *f, struct cgit_repo *repo)
 	fprintf(f, "repo.url=%s\n", repo->url);
 	fprintf(f, "repo.name=%s\n", repo->name);
 	fprintf(f, "repo.path=%s\n", repo->path);
+	if (repo->namespace)
+		fprintf(f, "repo.namespace=%s\n", repo->namespace);
 	if (repo->owner)
 		fprintf(f, "repo.owner=%s\n", repo->owner);
 	if (repo->desc) {