python/env_linux: use latest build/lib.* directory

diff --git a/python/env_linux b/python/env_linux
index 9f3cab8..adffa76 100755 (executable)
--- a/python/env_linux
+++ b/python/env_linux
@@ -1,4 +1,4 @@
 #! /bin/sh
 
-export PYTHONPATH=$PWD/build/lib.*/:$PWD/tests:$PYTHONPATH
-export LD_LIBRARY_PATH=$PWD/../build/src/
+export PYTHONPATH=$PWD/`ls -rtd build/lib.* | head -1`:$PWD/tests:$PYTHONPATH
+export LD_LIBRARY_PATH=$PWD/../build/src