blender: back to 2.76b, rebuild against openimageio-1.6.12

2.77 never built, needs #3916.

srcpkgs/blender/template

@@ -1,9 +1,8 @@
 # Template file for 'blender'
 pkgname=blender
-version=2.77
-revision=1
+version=2.76b
+revision=2
 hostmakedepends="cmake"
-broken=yes
 makedepends="
  libgomp-devel libpng-devel tiff-devel python3.4-devel glu-devel
  glew-devel freetype-devel jack-devel libopenal-devel libsndfile-devel
@@ -16,7 +15,7 @@ maintainer="Enno Boland <gottox@voidlinux.eu>"
 license="GPL-2"
 homepage="http://blender.org"
 distfiles="http://download.blender.org/source/${pkgname}-${version}.tar.gz"
-checksum=d6200123fc2de35ad3ab42cdd4421a1602ce01e9e95258a0a936bf9e88a8d62b
+checksum=bd852a8592ec2eca596a63244152506c406d8fc1d845244a8e11c84d24ad605d
 short_desc="3D graphics creation suite"
 only_for_archs="x86_64 x86_64-musl i686 i686-musl"
 configure_args="