[pkg] fix cubicweb.spec syntax
(grafted from 3309ddb970594cd54529f5c205d1ea5b5da4131e)
--- a/cubicweb.spec Wed Mar 16 10:06:18 2016 +0100
+++ b/cubicweb.spec Wed Mar 16 17:59:10 2016 +0100
@@ -29,7 +29,7 @@
Requires: %{python}-logilab-database >= 1.15.0
Requires: %{python}-passlib
Requires: %{python}-lxml
-Requires: %{python}-twisted-web << 16.0.0
+Requires: %{python}-twisted-web < 16.0.0
Requires: %{python}-markdown
Requires: pytz
# the schema view uses `dot'; at least on el5, png output requires graphviz-gd