[WIP] opentoonz: update to 1.4.0.

[bra1nwave]

No description provided.

[Piraty]

is this still WIP? yes, x86_64-musl fails with

/builddir/opentoonz-1.4.0/toonz/sources/stdfx/igs_resource_msg_from_err_unix.cpp:313:35: error: invalid conversion from 'int' to 'const char*' [-fpermissive]

  313 |     const char *ret = ::strerror_r(erno, buff, sizeof(buff));

      |                       ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

      |                                   |

      |                                   int

[ericonr]

Merged in 1ed26ac