Update to 9.26.

Changes Since Opera 9.25:

Security
--------
Fixed an issue where simulated text inputs could trick users into uploading
arbitrary files, as reported by Mozilla. See our advisory.

Image properties can no longer be used to execute scripts, as reported by
Max Leonov. See our advisory.

Fixed an issue where the representation of DOM attribute values could allow
cross site scripting, as reported by Arnaud.lb. See our advisory.

Miscellaneous
-------------
Fixed a stability issue found in Opera 9.0 to 9.25, when Opera connects
securely to Windows Server 2008 or other servers supporting the TLS
Certificate Status extension.

Additional stability fixes.

(xtraeme)