Fix typo in OCCI error message

(cherry picked from commit 4a7f634802)

src/cloud/occi/lib/occi-server.rb

@@ -58,7 +58,7 @@ end
 
 if CloudServer.is_port_open?($occi_server.config[:server], 
                              $occi_server.config[:port])
-    puts "Port busy, please shutdown the service or move econe server port."
+    puts "Port busy, please shutdown the service or move occi server port."
     exit
 end