Fix comment, add test that export glob works as import glob in scope.

src/test/run-pass/export-glob-imports-target.rs

@@ -0,0 +1,14 @@
+// Test that a glob-export functions as an import
+// when referenced within its own local scope.
+
+mod foo {
+    export bar::*;
+    mod bar {
+        const a : int = 10;
+    }
+    fn zum() {
+        let b = a;
+    }
+}
+
+fn main() { }

src/test/run-pass/export-glob.rs

@@ -1,5 +1,7 @@
 // xfail-test
-// Export the enum variants, without the enum
+
+// Test that a glob-export functions as an explicit
+// named export when referenced from outside its scope.
 
 mod foo {
     export bar::*;