branch staging updated (d111ae4 -> e01d384)

[guix-commits]

rhelling pushed a change to branch staging
in repository guix.

      from  d111ae4   gnu: mesa: Update to 19.1.5.
       new  e01d384   gnu: vulkan-headers: Update to 1.1.121.

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/vulkan.scm | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)