[rennes] Correct typo

data/grid5000/sites/rennes.json

+{
+  "compilation_server": false,
+  "description": "Grid5000 Rennes site",
+  "email_contact": "rennes-staff@lists.grid5000.fr",
+  "kavlan_plage": "10.24.0.0/14",
+  "latitude": 48.1,
+  "location": "Rennes, France",
+  "longitude": -1.6667,
+  "name": "Rennes",
+  "security_contact": "rennes-staff@lists.grid5000.fr",
+  "sys_admin_contact": "rennes-staff@lists.grid5000.fr",
+  "type": "site",
+  "uid": "rennes",
+  "user_support_contact": "rennes-staff@lists.grid5000.fr",
+  "virt_plage": "10.156.0.0/14",
+  "web": "http://www.irisa.fr"
+}
\ No newline at end of file

generators/input/sites/rennes/rennes.rb

@@ -10,5 +10,7 @@ site :rennes do |site_uid|
   security_contact "rennes-staff@lists.grid5000.fr"
   user_support_contact "rennes-staff@lists.grid5000.fr"
   compilation_server false
+  kavlan_plage "10.24.0.0/14"
+  virt_plage "10.156.0.0/14"
 
 end