[LIBCLOUD-870] param fix in ex_register_targets
[LIBCLOUD-870] param fix in ex_register_targets

ByteInternet/libcloud,Kami/libcloud,apache/libcloud,apache/libcloud,Kami/libcloud,mistio/libcloud,mistio/libcloud,ByteInternet/libcloud,andrewsomething/libcloud,Kami/libcloud,apache/libcloud,andrewsomething/libcloud,mistio/libcloud,ByteInternet/libcloud,andrewsomething/libcloud