fix whitespace
diff --git a/tools/build_lxc.sh b/tools/build_lxc.sh
index df9e32e..4d2372b 100755
--- a/tools/build_lxc.sh
+++ b/tools/build_lxc.sh
@@ -290,7 +290,7 @@
         kill $TAIL_PID
         exit 1
     }
- 
+
     # Let Ctrl-c kill tail and exit
     trap kill_tail SIGINT