[Pixman] pixman-conical-gradient.c is missing from GNU make + MSVC build

[Soeren Sandmann]

Kirill Tishin <siege at bk.ru> writes:

> pixman-conical-gradient.c is missing from GNU make + MSVC build
> (pixman/Makefile.win32) (in release 0.21.4).
> Which leads to unresolved symbol _pixman_conical_gradient_iter_init
> when compiling cairo later on.

Thanks, I have added it in master. 

The win32 Makefile is unfortunately not really maintained by anyone -
if you or anyone else is interested in maintaining a build system for
MSVC, that would welcome.


Soren