Runtime: also install weak.js

Author: vouillon

Makefile.filelist

@@ -13,7 +13,7 @@ IMPL += lib/syntax/pa_js.cmx lib/syntax/pa_js.cmxs
 endif
 endif
 
-OTHERS := runtime/runtime.js
+OTHERS := runtime/runtime.js runtime/weak.js
 
 ifneq "${DERIVING}" ""