New upstream version 3.15.2

diff --cc .tag
index 3da1fb1794cbef5dfd06cfd51bea94b1641467b6,6828f88dcb0e88b8cd738ad6044ce74d7a9a13c8..37e47a8a9254db9819232d5df97de07ac3509b0f
--- 1/.tag
--- 2/.tag
+++ b/.tag
@@@ -1,1 -1,1 +1,1 @@@
- eb04ac92122be40ce0fdc82557a26ccbd8684474
 -$Format:%H$
++6e4ffdfb460c41e8f671e54b6705b3c9a45efcca