Fixing onos-run-karaf for buck run onos usage.

Change-Id: I7b9f75570b38831481d95e26d5719fde2e35f1f2
diff --git a/tools/package/onos-run-karaf b/tools/package/onos-run-karaf
index cc95df6..48359ea 100755
--- a/tools/package/onos-run-karaf
+++ b/tools/package/onos-run-karaf
@@ -19,7 +19,7 @@
 [ -f $ONOS_TAR ] && tar zxf $ONOS_TAR
 
 # Change into the ONOS home directory
-cd onos-*
+cd onos-*/
 export ONOS_HOME=$PWD
 
 # FIXME: for now we're running using the karaf client; later use raw SSH