Remove g_free of msg two lines before it is returned from function.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@22204 57a11ea4-9604-0410-9ed3-97b8803252fd

src/core-utils/gnc-features.c

@@ -123,7 +123,6 @@ gchar *gnc_features_test_unknown (QofBook *book)
                 msg = tmp;
             }
 
-            g_free(msg);
             g_list_free(features_list);
             return msg;
         }