titan: fix name shadowing issue (#397)

sre-bot · web-flow · commit 4ad6d0a7b35d · 2019-12-03T13:48:34.000+08:00
diff --git a/librocksdb_sys/libtitan_sys/titan b/librocksdb_sys/libtitan_sys/titan
@@ -1 +1 @@
-Subproject commit e5731f44735a0180c4c9af893d2290f72f6b1383
+Subproject commit 5ab6a37d5e91a40f4218a75f488fdc1f337b92e8
