7764b5c55 Only call destruction_callback if non-null (flutter/engine#24845) (#77734)

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index c7ffcaa..42a549e 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-2441c476a6b4585bc8ae09f79b5d3a70b3261aee
+7764b5c55f30ce5665798c1c184fa1504db2eb04