leveldb: .gitignore TAGS

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/src/leveldb b/src/leveldb
index a5fb0fe5a0e308824f4bccece12e879c8c8a6318..eee22bb3eca01404983f38109232034a3fcff474 160000 (submodule)
--- a/src/leveldb
+++ b/src/leveldb
@@ -1 +1 @@
-Subproject commit a5fb0fe5a0e308824f4bccece12e879c8c8a6318
+Subproject commit eee22bb3eca01404983f38109232034a3fcff474