use C for LANG and LC_ALL

diff --git a/grml-live b/grml-live
index efaea44..9fb5024 100755 (executable)
--- a/grml-live
+++ b/grml-live
@@ -9,6 +9,9 @@
 
 # read configuration files, set some misc variables {{{
 
+export LANG=C
+export LC_ALL=C
+
 # exit on any error:
 set -e