Set Gerrit to 3.12.2

Change-Id: I9ef8ea7831609073c77a74e52971155d8e768ea5
diff --git a/Version.mk b/Version.mk
index 82e2934..9d54c7d 100644
--- a/Version.mk
+++ b/Version.mk
@@ -1,4 +1,4 @@
-VERSION=3.12.1
-WAR_VERSION=3.12.1
+VERSION=3.12.2
+WAR_VERSION=3.12.2
 BRANCH=stable-3.12
 RELEASE=1