added "warning" field

according to commit I just madein bf-blender
see http://lists.blender.org/pipermail/bf-blender-cvs/2010-June/028699.html
check 3dview category in addons panel

space_view3d_panel_measure.py

@@ -28,7 +28,8 @@ bl_addon_info = {
     'version': '0.7',
     'blender': (2, 5, 3),
     'location': 'View3D > Properties > Measure',
-    'description': 'Measure distances between objects (returns errors but works).',
+    'description': 'Measure distances between objects',
+    'warning': 'Returns errors but works.',
     'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/' \
         'Scripts/3D_interaction/Panel_Measure',
     'tracker_url': 'https://projects.blender.org/tracker/index.php?'\