build: Update xpp submodule

Fixes #2031

Ref: polybar/xpp#22
Ref: polybar/xpp#23
This commit is contained in:
patrick96
2020-03-09 21:21:45 +01:00
committed by Patrick Ziegler
parent 512c519f25
commit 853ea994bb

Submodule lib/xpp updated: 2634d88a07...09b907608c