generator.c in json-2.7.4.rc2

- old
+ new

@@ -1505,6 +1505,8 @@
     i_encode = rb_intern("encode");
 
     usascii_encindex = rb_usascii_encindex();
     utf8_encindex = rb_utf8_encindex();
     binary_encindex = rb_ascii8bit_encindex();
+
+    rb_require("json/ext/generator/state");
 }