Fix sources sidebar not showing up

Author: GuillaumeGomez

src/librustdoc/html/render.rs

@@ -1042,7 +1042,7 @@ themePicker.onblur = handleThemeButtonsBlur;
         all_sources.sort();
         let mut w = try_err!(File::create(&dst), &dst);
         try_err!(writeln!(&mut w,
-                          "var N = null;var sourcesIndex = {{}};\n{}",
+                          "var N = null;var sourcesIndex = {{}};\n{}\ncreateSourceSidebar();",
                           all_sources.join("\n")),
                  &dst);
     }

src/librustdoc/html/static/source-script.js

@@ -137,5 +137,3 @@ function createSourceSidebar() {
 
     main.insertBefore(sidebar, main.firstChild);
 }
-
-createSourceSidebar();