Merge pull request #848 from agrare/fix_uninitialized_handsoap_verify_host

Fix Uninitialized constant Handsoap verify ESXi

Author: Fryguy

app/models/manageiq/providers/vmware/infra_manager/host_esx.rb

@@ -144,6 +144,7 @@ def vim_advanced_settings
   def verify_credentials_with_ws(auth_type = nil)
     raise "No credentials defined" if self.missing_credentials?(auth_type)
 
+    require "handsoap"
     begin
       with_provider_connection(:use_broker => false, :auth_type => auth_type) {}
     rescue SocketError, Errno::EHOSTUNREACH, Errno::ENETUNREACH => err