fix olso != oslo typos

Apparently oslo is the hardest word in the world for me to understand
that I didn't spell correctly.

Change-Id: Id1b52529001319eaf41321118ab560711c752003
diff --git a/lib/oslo b/lib/oslo
index c95a3a8..a20aa14 100644
--- a/lib/oslo
+++ b/lib/oslo
@@ -63,7 +63,7 @@
     _do_install_oslo_lib "oslo.messaging"
     _do_install_oslo_lib "oslo.rootwrap"
     _do_install_oslo_lib "oslo.db"
-    _do_install_oslo_lib "olso.vmware"
+    _do_install_oslo_lib "oslo.vmware"
     _do_install_oslo_lib "pycadf"
     _do_install_oslo_lib "stevedore"
     _do_install_oslo_lib "taskflow"