* has_sub_transaction was never initialized, no clue why this didn't come up

earlier.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31845 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/cache/block_cache.cpp

@@ -803,6 +803,7 @@ cache_transaction::cache_transaction()
 	sub_num_blocks = 0;
 	first_block = NULL;
 	open = true;
+	has_sub_transaction = false;
 	last_used = system_time();
 }