Add a release date for 1.12.0.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1857321 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/CHANGES b/CHANGES
index b131b9a..72d8233 100644
--- a/CHANGES
+++ b/CHANGES
@@ -9,7 +9,7 @@
 https://svn.apache.org/repos/asf/subversion/tags/1.13.0
 
 Version 1.12.0
-(?? ??? 20XX, from /branches/1.12.x)
+(12 Apr 2019, from /branches/1.12.x)
 https://svn.apache.org/repos/asf/subversion/tags/1.12.0
 
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