Use https instead of ssh(git@) for rocksdb submodule.

Nirbhay Choubey · Nirbhay Choubey · commit c82f573879f4 · 2016-11-15T10:00:19.000-05:00
diff --git a/.gitmodules b/.gitmodules
@@ -3,4 +3,4 @@
 	url = https://github.com/MariaDB/mariadb-connector-c
 [submodule "storage/rocksdb/rocksdb"]
 	path = storage/rocksdb/rocksdb
-	url = git@github.com:facebook/rocksdb.git
+	url = https://github.com/facebook/rocksdb.git
