devel/ocaml-lacaml: 7.1.5 -> 7.2.6

2015-07-01: Fixed a bug in the complex version of Vec.ssqr_diff.

Thanks to Akinori Abe for the patch!

2015-06-30: Fixed Oasis-related linking problem (again).

Really annoying, but Oasis still generates code that prevents
proper linking.

2015-06-29: Improved portability to some Linux-platforms.

Thanks to Akinori Abe for the patch!

2015-06-03: Fixed Oasis-related linking problem (again).

2015-05-31: Fixed several offset calculation bugs for certain default

argument combinations.
Thanks to Chris Hardin <chardin@janestreet.com> for the first
patch!

2015-03-16: Added support for the general Schur factorization for both real

and complex numbers:
  * gees
Thanks to Florent Hoareau <h.florent@gmail.com> for this
contribution!

2014-10-22: Fixed string handling for new OCaml version 4.02 (String/Bytes

modules).  Requires new findlib version (>= 1.5).

PR: 199226
Submitted by: tkato432@yahoo.com