subproject: pin wlroots to 0.12.0

ammen99 · ammen99 · commit 8b81db5013ab · 2021-01-29T14:34:03.000+01:00
diff --git a/subprojects/wlroots b/subprojects/wlroots
@@ -1 +1 @@
-Subproject commit dc61f471da1a1c9264167635c286b6dcb37b3d6f
+Subproject commit 238d1c078fb03338e9f271d98f7bf6b1fc399285
