Fix 0003214: Private projects links get replaced by public project links.

M core/html_api.php
(print_project_menu_bar): Use current_user_get_accessible_projects() rather than re-implementing the same functionality.

M core/print_api.php
(print_project_option_list): Use current_user_get_accessible_projects() rather than re-implementing the same functionality.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2182 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9