branch master updated (7a3772b -> 49d9fce)

[???]

iyzsong pushed a change to branch master
in repository guix.

      from  7a3772b   gnu: qtoctave: Fix build for Qt 5.11.
       new  49d9fce   gnu: emacs-nix-mode: Fix build by switching upstream 
source.

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
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Summary of changes:
 gnu/packages/package-management.scm | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)