Log Message:
Update to 1.12.9:

Gnumeric 1.12.9

Jean
	* Implement double click for graph sheets. [#712216]

Morten:
	* Minor improvement to history dialog.
	* Fix drop-down sizing (gtk+ regression).  [#710749]
	* Improve accuracy of R.QCAUCHY.
	* Acquire more special function test cases.
	* Improve accuracy of R.QGAMMA and thus R.QCHISQ.
	* Improve accuracy of R.QBETA, R.QF, R.QTUKEY, R.QSNORM, and R.QST.
	* Improve accuracy of COMBIN, PERMUT, POCHHAMMER, FACT, GAMMA.
	* Improve accuracy of bessel functions with large non-integer alpha.
	* Improve accuracy of ACOTH.
	* Fix fuzzed file problems.  [#708091] [#712662] [#712685] [#712700]
	  [#712708] [#712772] [#712788] [#712731] [#715003]
	* Restore sheet reordering by drag.
	* Fix BETA on win32.
	* Fix win32 registry initialization.
	* Fix win32 gdk-pixbuf install heisen-crash.
	* Incorporate new tests from crlibm.
	* New functions SINPI and COSPI.
	* Improve accuracy of SIN/COS/TAN on win32.
	* Work around GTK+ ABI break.  [Redhat #1033827]

Xabier Rodríguez Calvar:
	* Fix dialog button order. [#710378]