Few untranslated error messages in OAuth

[Zhijie Hou (Fujitsu)]

Hi,

During testing of libpq, I noticed several error messages not processed by
libpq_gettext, resulting in their exclusion from *.pot files. The attached patch
wraps these messages.

Best Regards,
Hou zj

v1-0001-Fix-some-untranslatable-error-messages-in-OAuth.patch
Description: v1-0001-Fix-some-untranslatable-error-messages-in-OAuth.patch