Log Message:
Updated libgpg-error to 1.26.

Noteworthy changes in version 1.26 (2016-12-21) [C21/A21/R0]
-----------------------------------------------

 * New option --desc for gpg-error.

 * Interface changes relative to the 1.25 release:
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 GPG_ERR_UNKNOWN_FLAG             NEW.
 GPG_ERR_INV_ORDER                NEW.
 GPG_ERR_ALREADY_FETCHED          NEW.
 GPG_ERR_TRY_LATER                NEW.
 GPG_ERR_SYSTEM_BUG               NEW.
 GPG_ERR_DNS_UNKNOWN	          NEW.
 GPG_ERR_DNS_SECTION	          NEW.
 GPG_ERR_DNS_ADDRESS	          NEW.
 GPG_ERR_DNS_NO_QUERY	          NEW.
 GPG_ERR_DNS_NO_ANSWER	          NEW.
 GPG_ERR_DNS_CLOSED	          NEW.
 GPG_ERR_DNS_VERIFY	          NEW.
 GPG_ERR_DNS_TIMEOUT	          NEW.