Fix the issue in MS2132 where OWA_LOGIN doesn't continue on connection error.

The possibility of temporary connnection disruption means this module should keep trying other user/pass pairs upon error.

Author: jinq102030

modules/auxiliary/scanner/http/owa_login.rb

@@ -195,7 +195,7 @@ def try_user_pass(opts)
 
     if not res
       print_error("#{msg} HTTP Connection Error, Aborting")
-      return :abort
+      return
     end
 
     if action.name != "OWA_2013" and res.get_cookies.empty?