Bug#1050302: libcoin80t64: Upstream fix for Egl

[mileveca]

Here we go

https://github.com/coin3d/coin/commit/67a4b0656f51b71db3a22c9eb004061531b48f44

publickey - mileveca@protonmail.ch - 0x556DB47C.asc
Description: application/pgp-keys

signature.asc
Description: OpenPGP digital signature