[elpa] externals/exwm updated (db6d26c -> b400ae6)

[Chris Feng]

ch11ng pushed a change to branch externals/exwm.

      from  db6d26c   Refresh the workspace after creating a floating X window
       new  5a39c5c   Allow user to hide floating X windows
       new  b400ae6   Bump version to 0.4


Summary of changes:
 exwm-core.el      |    1 +
 exwm-floating.el  |   16 ++++++++++++++++
 exwm-workspace.el |    2 +-
 exwm.el           |    2 +-
 4 files changed, 19 insertions(+), 2 deletions(-)