cleanup_dir() doesn't remove the base dir for some reason (race condition?) leaving a pile of empty /tmp/grass7-'s behind, so try again

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@49849 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/init/grass.py

@@ -103,6 +103,7 @@ def cleanup():
     tmpdir, lockfile, remove_lockfile
     # all exits after setting up $tmpdir should also tidy it up
     cleanup_dir(tmpdir)
+    try_rmdir(tmpdir)
     if lockfile and remove_lockfile:
 	try_remove(lockfile)