fixed stomping of sample config.d

src/config.d.sample

@@ -0,0 +1,15 @@
+const string url_root = "/";
+
+const string site_title = "This is a Title";
+const string site_subtitle = "but this is a subtitle";
+
+const bool nav_tree_vert = false;
+const bool nav_tree_chev = true;
+const bool page_container = true;
+
+string[string] handlers;
+
+void init_handlers() {
+  handlers["*.md"] = "contrib/Markdown.pl";
+  handlers["changelog"] = "changelog.sh";
+}