Corrected referenced commit in comment about [7771]

 - Legacy-Id: 7813
Note: SVN reference [7771] has been migrated to Git commit 4d7d0d5

Author: levkowetz

hold-for-merge

@@ -1,3 +1,3 @@
 personal/rjs/v5.2.0@7544
 personal/liudapeng/v5.0.2@7399
-personal/rcross/v5.4.1@7771	# Already fixed in [4664], in a slightly more future-safe way
+personal/rcross/v5.4.1@7771	# Already fixed in [7664], in a slightly more future-safe way