branch staging created (now 29754d3683)

[guix-commits]

mbakke pushed a change to branch staging
in repository guix.

      at 29754d3683 gnu: vulkan-validationlayers: Avoid direct variable 
references.

This branch includes the following new commits:

     new d0b414a5ec gnu: spirv-headers: Update to 1.2.198.0.
     new e397f6ea46 gnu: spirv-tools: Update to 2021.4.
     new 83db4dce7b gnu: vulkan-headers: Update to 1.2.202.
     new af187772e6 gnu: vulkan-loader: Update to 1.2.202.
     new 1512cfb311 gnu: vulkan-tools: Update to 1.2.201.
     new cc376170e7 gnu: shaderc: Update to 2021.3.
     new f1356a60a1 gnu: Add vulkan-validationlayers.
     new 29754d3683 gnu: vulkan-validationlayers: Avoid direct variable 
references.

The 8 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.