do_autogen.sh: add missing '--without-lttng' option to usage

Signed-off-by: Nathan Cutler <ncutler@suse.cz>

diff --git a/do_autogen.sh b/do_autogen.sh
index 7df1c93e6382ecaf8a7c471420e2da8058e40985..50bd3bac907b4d9ded58b0322ee0081000c57f3d 100755 (executable)
--- a/do_autogen.sh
+++ b/do_autogen.sh
@@ -19,6 +19,7 @@ do_autogen.sh: make a ceph build by running autogen, etc.
 -j                               with java
 -r                               with rocksdb
 -J                              --with-jemalloc
+-L                              --without-lttng
 
 EOF
 }