Add Changes entry

Author: voodoos

CHANGES.md

@@ -22,6 +22,7 @@ git version
     - add type-on-hover functionality for vim (#1439, @nilsbecker)
     - add a dedicated buffer `*merlin-errors*` containing the last viewed error
       (#1414, @panglesd)
+    - fix locate calls on infix operators (#1445, fixes #949)
   + test suite
     - cover locate calls on module aliases with and without dune
     - Add a test expliciting the interaction between locate and Dune's generated