Update libcurl package in 12.04LTS to version 7.3x

[Jesus Castagnetto]

The latest versions of curl solves a problem whereas there will be loss of information, and inconsistent interpretation of data, due to headers inserted by intermediate proxy/ies.

See the details in: https://github.com/bagder/curl/pull/60 and http://sourceforge.net/p/curl/bugs/1204/

The package for 12.04 uses de 7.22 version as a base, and the current (as of today) version is 7.32.0 (http://curl.haxx.se/changes.html#7_32_0).

There are other security fixes in the 7.3x version family.

[Parker Moore (parkrmoore)]

I have a use-case that requires this update. v7.22 doesn't handle protocol-relative `Location` headers.

When I curl an endpoint (e.g. https://example.org/some-redirect-url) that gives:

    Location: //example.org/some-url/to/a/page/somewhere.html

The current libcurl version on precise -- v7.22 -- barfs on this and redirects the client to an unacceptable:

    https://example.org//example.org/some-url/to/a/page/somewhere.html

v7.30 fixes this and correctly redirects to:

    https://example.org//example.org/some-url/to/a/page/somewhere.html

What is needed to push out this change?

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.