update docs

Author: puredanger

docs/clojure.tools.build.api.html

@@ -22,7 +22,8 @@
      :elide-meta [:doc :file :line ...]
      :direct-linking false}
   :bindings - map of Var to value to be set during compilation, for example:
-    {#'clojure.core/*assert* false}
+    {#'clojure.core/*assert* false
+     #'clojure.core/*warn-on-reflection* true}
   :filter-nses - coll of symbols representing a namespace prefix to include
 
 Additional options flow to the forked process doing the compile: